Math, asked by nobita2389, 9 months ago

Ifa+b=7 and ab=10find the value of (a-b)

Answers

Answered by ShujaAbrar
2

Answer:

a-b =3

Step-by-step explanation:

answer is 3

a+b =7 ab=10

a-b =√(a+b)^2-4ab

Attachments:
Answered by nagakalakoppalli
1

Step-by-step explanation:

a+b=7

ab=10

(7-b)b=10

b^2-7b+10=0

b^2-2b-5b+10=0

(b-5)(b-2)=0

b=2 or 5

a=5or2

a-b=3 or -3

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