Math, asked by katrinamishra52, 5 months ago

solve by using the identity (1y-9b)²

Answers

Answered by jgpbksc

1

Answer

by ht method of (a-b) ^2=a^2+b^2-2ab

Step-by-step explanation:

so, (1y-9b)^2=1y^2+9b^2-2y9b

hope it helps you

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