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Using identities, evaluate : . (i) 712 (ii) 992
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1
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2609
|
April 2, 2019
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Show that : (i) (3x + 7)2 – 84x = (3x – 7)2
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1
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2375
|
April 2, 2019
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Simplify : (i) (a2 – b2)2
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1
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8112
|
April 2, 2019
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Find the following squares by using the identities :
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1
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1626
|
April 2, 2019
|
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Use the identity (x + a) (x + b) = x2 + (a + b)x + ab to find the following products. (i) (x + 3) (x + 7)
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1
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2614
|
April 2, 2019
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Use a suitable identity to get each of the following products, (i) (x + 3) (x + 3)
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1
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2492
|
April 2, 2019
|
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Simplify : (i) (x2 – 5)(x + 5) + 25
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1
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2946
|
April 2, 2019
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Find the product : (i) (5 – 2x)(3 + x)
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1
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1683
|
April 2, 2019
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Multiply the binomials :(i) (2x + 5) and (4x – 3)
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1
|
1996
|
April 2, 2019
|
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(a) Add : p (p – q), q (q – r) and r (r – p) (b) Add : 2x (z – x – y) and 2y (z – y – x)
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1
|
958
|
April 2, 2019
|
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(a) Simplify : 3x (4x – 5) + 3 and find its value for (i) x = 3,
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1
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1211
|
April 2, 2019
|
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Find the product:
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1
|
442
|
April 2, 2019
|
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Complete the table :
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1
|
1607
|
April 2, 2019
|
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Carry out the multiplication of the expressions in each of the following pairs :
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1
|
1585
|
April 2, 2019
|
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Obtain the product of (i) xy, yz, zx
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1
|
2212
|
April 2, 2019
|
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Obtain the volume of rectangular boxes with the following length, breadth and height respectively
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1
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1183
|
April 2, 2019
|
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Complete the table of products :
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1
|
2633
|
April 2, 2019
|
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Find the areas of rectangles with the following pairs of monomials as their lengths
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1
|
810
|
April 2, 2019
|
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Find the product of the following pairs of monomials : (i) 4, 7p (ii) -4p, 7p
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1
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1899
|
April 2, 2019
|
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(a) Subtract 4a – lab +36 + 12 from 12a – 9a6 + 56-3 (b) Subtract
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1
|
898
|
April 2, 2019
|
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Add the following :
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1
|
496
|
April 2, 2019
|
|
Classify the following polynomials as monomials, binomials, trinomials
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1
|
1142
|
April 2, 2019
|
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Identify the terms, their coefficients for each of the following expressions :
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1
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2276
|
April 2, 2019
|
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A scooter was bought at ₹ 42,000. Its value depreciated at the rate of 8% per annum. Find its value after one year
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1
|
1819
|
April 2, 2019
|
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In a Laboratory, the count of bacteria in a certain experiment was increasing at the rate of 2.5%
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1
|
1263
|
April 2, 2019
|
|
The population of a place increased to 54,000 in 2003 at a rate of 5% per annum (i) find the population in 2001
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1
|
2587
|
April 2, 2019
|
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Find the amount which Ram will get on ₹ 4096, if he gave it for 18 months at
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1
|
1439
|
April 2, 2019
|
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Find the amount and the compound interest on ₹10,000 for 11/2 years at 10% per annum, compounded half-yearly
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1
|
1308
|
April 2, 2019
|
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Maria invested ₹ 8,000 in a business. She would he paid interest at 5% per annum
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1
|
1034
|
April 2, 2019
|
|
Arif took a loan of ₹ 80,000 from a bank. If the rate of interest is 10% per annum,
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1
|
2044
|
April 2, 2019
|