Question

(5+4)(5^2+4^2)(5^4+2^4)=(5^x-2^y). nilai (x+y)=…

Answer 1

(5 + 4)(5^2 + 4^2)(5^4 + 2^4)
= (5 - 4)(5 + 4)(5^2 + 4^2)(5^4 + 2^4)
= (5^2 - 4^2)(5^2 + 4^2)(5^4 + 2^4)
= (5^4 - 2^4)(5^4 + 2^4)
= 5^8 - 2^8
x = 8 dan y = 8
Nilai x + y = 8 + 8 = 16