Question

find the product without multiplying directly 97 X 98 using identities​

Answer 1

Step-by-step explanation:

(100-3)(100-2)

100²-200-300+6

10000-500+6

9506

using identity:

(x-a)(x-b)= x²-ax-bx+ab

100×100-100×2-100×3+2×3

hence : 9506 is the answer

hope you got it

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