Question

Using suitable identities find the product= 97×101

Answer 1

Answer:

9797

Step-by-step explanation:

101 × 97

= (100 + 1)(100 - 3)

= (100)² + (1 - 3)100 + 1(-3)

= 10000 + (-2)100 - 3

= 10000 - 200 - 3 =》 10000 - 203

= 9797

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Answer 2

Step-by-step explanation:

97×101= (100-3)×(100+1)

general formula= x^2 + (a+b)x + ab

here,

(100-3)(100+1)= (100)^2 +[(-3)+(1)]100 + (-3)(1)

= 10000 - 200 - 3

= 10000-203

= 9897

here uh get ur ans..

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tip;

make brackets so that there is no mistake in the + nd - signs

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