D. Simplify/ हल करें
81 x 81 + 68 x 68 - 2 x 81 x 68
Answers
Answered by
5
Step-by-step explanation:
a=81
b=68
(a-b)²
(81-68)²
(13)²
=169
Answered by
1
The given question is :
81 × 81 + 68 × 68 - 2 × 81 × 68
Let's make it shorter
Then,
We can see that We have got the form of
a^2 + b^2 - 2ab = (a-b)^2
Let's consider 81 as a and 68 as b
Then,
(13)^2
Required answer :
Glad to help yaa..!
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