Question

if a^2+b^2=6 and ab=5 then the value of a+b=_____​

Answer 1

Answer:

hey

Step-by-step explanation:

a^2+b^2=6

ab=5

a+b=?

(a+b)^2=a^2+b^2+2ab

(a+b)^2=6+2×5

(a+b)^2=6+10

(a+b)^2=16

a+b=root16

a+b=4

hope this helps you

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