RRB NTPC · Question 4
Given k = - 3, find the value of k^3 + 3k: A. - 36 B. 36 C. 37 D. - 37
Show answer & explanation
Answer: (D) A
Explanation
k³ + 3k = (−3)³ + 3(−3) = −27 − 9 = −36.
Railways PYQCBT 1 2016
RRB NTPC · Question 4
Answer: (D) A
k³ + 3k = (−3)³ + 3(−3) = −27 − 9 = −36.