CUET Preparation Today
CUET
General Aptitude Test
Quantitative Reasoning
Algebra
If x+y = 7
find (\(\frac{1}{{x}^{3}}\) + \(\frac{1}{{y}^{3}}\))
0.543
0.131
0.133
0.453
Put x = 5, y = 2 [Because these value are satisfying the equations]
⇒ \(\frac{1}{({5}^{3})}\) + \(\frac{1}{({2}^{3})}\) = \(\frac{125+8}{1000}\) = 0.133