Math, asked by yashwanth69, 1 year ago

evaluate using the identity (a-b)²=a²-b² to find the prod
uct (49)²

Answers

Answered by ishwarsinghdhaliwal

$(49)^{2} \\ = ( 50 - 1) ^{2} \\ = (50) ^{2} + (1)^{2} - 2(50)(1) \\ = 2500 + 1 - 100 \\ = 2401$

yashwanth69: sir next question (59)2 and (198)²

ishwarsinghdhaliwal: (50+9)^2=(50)^2+(9)^2+2(50)(9)=2500+81+900=3481

yashwanth69: (59)²

ishwarsinghdhaliwal: yes

yashwanth69: please sir slove the product (59)²

yashwanth69: sir Please please

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