Question

If a - b = 5 and ab = 3 then what is the value of a? + b2? [DJ. B.-'16] a 13 2 @ 37 © 31 b 19 LOR - IR B-'167​

Answer 1

Answer:

Step-by-step explanation:

According to Componendo and dividend rule,

If (a/b) = (c/d), then (a + b)/(a - b) = (c + d)/(c - d)

Hence,

If A ∶ B = 5 ∶ 3

∴ (A + B) ∶ (A - B) = (5 + 3) ∶ (5 - 3) = 8 ∶ 2 = 4 ∶ 1