Question
Mathematics Question on Plane
Evaluate:limx→−2x5+2x4+x2+3x+2x4+2x3+3x2−5x−22
A
(A) 1
B
(B) 0
C
(C) -3/5
D
(D) 5/3
Answer
(C) -3/5
Explanation
Solution
Explanation:
On directly putting the limits, we'll find that it is of 0/0 form. So, we shall use L -Hospital's rule toevaluate the limit.I.e.=limx→−25x4+8x3+2x+34x3+6x2+6x−5=5(−2)4+8(−2)3+2(−2)+34(−2)3+6(−2)2+6(−2)−5=−35