Question

Write (3 + √5)^2 in the form + √5 where a, b are integers.

Answer 1

Answer:

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

(3+√5)^2= 9+5+2x3x√5.......

(3+√5)^2=14+6√5.........

a=14,b=6......Where a and b are integers.........

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