If x = 4 + V15, then find the value of (x + 5)2
Answers
Answered by
1
Step-by-step explanation:
x = 4 + V15
x +5= 5+4 + V15
(x +5)= 9 + V15
(x +5)square= (9 + V15) square
(x +5)square=9 square + (V15) square+2×9×V15
(x +5)square=81+15+18V15
(x +5)square=96+18V15
hence the answer
Similar questions