Question

if a + b = 7 and ab = 10 find the value of ( a^2 + b^2)​

Answer 1

Hope u get the answer

Answer 2

Answer:

please mark me as the brainiest yaar

Step-by-step explanation:

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

therefore , a^2+b^2 = (a+b)^2 - 2ab                                (i)

we have given that ; a+b =7 and ab = 10

Applying these values in (i)

therefore , a^2+ b^2 = (7)^2 - 2(10)

                                   = 49-20

                                   = 29