Math, asked by pathakparshant73, 6 hours ago

evaluate using suitabledentities ( b - 7 ) ( a - 7 )

Answers

Answered by paddanasssuryaprakas

0

Step-by-step explanation:

(b−7)

2

=b

2

+7

2

−2(b)(7)

=b

2

+49−14b ∵[(a−b)

2

=a

2

+b

2

−2ab]

Answered by jhankarsrsec

0

Answer:

answer is -2 ab

Step-by-step explanation:

hope this is helpful to you

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