perplexus.info :: Just Math : Geometric Rubric

Geometric Rubric (Posted on 2015-04-04)

The four roots of 16x⁴−mx³+ (2m + 17)x²- mx+16 = 0 are distinct and in geometric sequence.

Determine m and solve the equation.

Submitted by K Sengupta

Rating: 5.0000 (1 votes)

Solution: (Hide)

m=170 and the roots are : 1/8,1/2,2,8.
For an explanation:
Refer to the solution submitted by broll in this location.
Refer to the hint submitted by Jer in this location.

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
re: Something cool I never knew about polynomials (hint)	broll	2015-04-05 01:36:32
Something cool I never knew about polynomials (hint)	Jer	2015-04-04 14:52:45

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