Question

5. Evaluate each of the following when a = 2 and b = -1. i. b²×a²×2ab×a²b/4​

Answer 1

Answer:

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Using (a+b)2=a2+2ab+b2 

We can write (10.2)2 =(10+0.2)2 = (10)2+2(10)(0.2)+(0.2)2 = 100+4+0.04

Hence the answer is 104.04

as folow these steps:

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Answer 2

Answer:

The correct answer 16

Step by step explaination: Putting values a=2 & b=-1

=(-1)*(2)^2*2*2*(-1)*(2)^2*(-1)/4

= -1*4*4*4*(-1)/4

=64/4

= 16

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