3^{x}+5^{y}=8.3^{x+2}+5^{y+1}=52\Rightarrowx^{3}+y^{5}=

TS ICET 2017 Question Paper with Solutions for online practice

Question : 77 of 200

Marks: +1, -0

3^{x}+5^{y}=8.3^{x+2}+5^{y+1}=52⇒x^{3}+y^{5}=

Solution:

3^x+5^y=8

...(i)

3^{x+2}+5^{y+2}=52

...(ii)
From (i) & (ii) we get
x = 1 and y = 1

∴x^3+y^5=1^3+1^5=2

Go to Question:

Prev Question

Next Question