Simplify (2√5+3√7)^2
Can somebody put down the steps please?
Thanks
recall that (a+b)^2 = a^2 + 2ab + b^2. So,
(2√5+3√7)^2
= (2√5)^2 + 2(2√5)(3√7) + (3√7)^2
= 4*5 + 12√35 + 9*7
= 83 + 12√35
Can somebody put down the steps please?
Thanks
(2√5+3√7)^2
= (2√5)^2 + 2(2√5)(3√7) + (3√7)^2
= 4*5 + 12√35 + 9*7
= 83 + 12√35