Math, asked by gopikaharilal170, 2 months ago

156 × 159 use suitable identity

Answers

Answered by aswanth0047

2

Answer:

(155 + 1 ) ( 155 + 4 )

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

(155)^2 + (1+4)155 + 4×1

24025 + 775 + 4

24804.

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