Question

If a +
(a+b).(a – 5) = 0, then (a) : 51
is

​

Answer 1

a+(a+b) (a-b)=0

here a=51 then b=?

51+(51+b) (51-b)=0 (a+b) (a-b)=a²-b²

51+(51²-b²)=0

51+2501- b²= 0

b²=51+2501

b²=2552

b= root 2552.

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