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If a = 2, b = – 2, find the value of: a 2 – b 2 ????????????

If a = 2, b = – 2, find the value of:
a2 – b????????????

Grade:12th pass

2 Answers

Harshit Singh
askIITians Faculty 5961 Points
one month ago
Dear Student

From the question it is given that a = 2, b = -2
Then, substitute the value of a and b in the question
= 22 –(-2)2
= 4–(4)
=4–4
=0

Thanks
Shraddha Singh
273 Points
one month ago
Dear Student,
 
Given : a= 2, b = -2
a²-b² = (a+b)(a-b)
= (2-2)(2+2)
= 0 (4)
= 0
 
Hope it helps!
Thank you ✌️

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