(32)2 – (20)2= 52 X a, then find the value of a?

Options
- 13
- 14
- 12
- 11

CORRECT ANSWER : 12

Discussion Board
Ans.12

a^2-b^2=52×a
(32+20)(32-20)=52×a
52×12=52×a
a=12

Nithish 09-28-2020 06:54 AM

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