Math, asked by mummy55070, 7 months ago

Evaluate 49x 51. Not like division method

Answers

Answered by ishagera1212

1

Answer:

(50_1) (50+1)

by using identity (a+b)(a-b)

50^2-1^2

2500-1

2499

Answered by yadavaman0649

0

Answer:n(n+1) /2 is the formula Step-bystep explanation:25(25+1)\2so sum is 325

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