Question

Evaluate Suitable Identities .​

Answer 1

Answer:

1 - identity= a^2 - b^2

(2a)^2 - 7^2

4a^2- 49

2 - identity = a^2 - 2(a)(b) + b^2

b^2 - 2 (b)(7) + (7)^2

b^2 -14b + 49

ANSWER OF EVALUATE USING SUITABLE IDENTITIES

identity = a^2 -b^2 = (a+b) (a-b)

1- (51+49) (51-49)

100 × 2

= 200

2- 103× 104

identity x^2 (a+b)x (a×b)

100^2 (3+4) 100 (3×4)

10000+700+12

10712

Answer 2

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