Math, asked by spu1941, 1 year ago

If a+b=9, a ob = 18, find a-b

Answers

Answered by suchetadas9

0

Answer:

3

Step-by-step explanation:

a+b=9

ab=18

a-b= ??

(a-b)whole square=(a+b) whole square -4ab

". = 81-4.18

". = 81- 72

". = 9

(a+b). = 3

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