Math, asked by chandana9737, 9 months ago

If a + b= 7 and ab = 12, find the value of a + b

Answers

Answered by harshitusn18

0

Answer:

a+b=7 ; a²+b²=25

Step-by-step explanation:

(a+b)²=a²+b²+2ab

a²+b² = (a+b)²-2ab

a²+b²=7²-2×12

a²+b²=49-24

a²+b²=25

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