Question

if 2x-3 is a factor of 2x^4 -3x^2+15x+15k find the value of 3k - √5k

Answer 1

Answer:

2x-3=0 (by factor theoram)

x=3/2

2 (3/2)^4-3 (3/2)^2+15k

2 (81/16)-3 (9/4)+15k

162/32-27/12+15k

486-216/96+15k

270/96+15k

270/96+15k=0

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