If x + y = 1, then what is the value of x3 + 3xy + y3?
A. -1
B. 1
C. 0
D. 2
Answer: Option B
Solution (By Examveda Team)
x + y = 1put y = 0
x = 1
x3 + 3xy + y3
= 13 + 0 + 0
= 1
A. -1
B. 1
C. 0
D. 2
Answer: Option B
A. $$1 + \frac{1}{{x + 4}}$$
B. x + 4
C. $$\frac{1}{x}$$
D. $$\frac{{x + 4}}{x}$$
A. $$\frac{{20}}{{27}}$$
B. $$\frac{{27}}{{20}}$$
C. $$\frac{6}{8}$$
D. $$\frac{8}{6}$$
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