Real Deal

Algebra Level pending

The number of real solutions for x x in

( x 2 + x − 2 ) 3 + ( 2 x 2 − x − 1 ) 3 = 27 ( x 2 − 1 ) 3 (x^{2} + x - 2)^{3} + (2x^{2} - x - 1)^{3} = 27(x^{2} - 1)^{3}


The answer is 4.

Mihir Chakravarti by mihir Chakravarti , 22, India

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

1 solution

{x == -2 || x == -1 || x == -1/2 || x == 1, x={-2., ±1., -0.5}}

0 Helpful 0 Interesting 0 Brilliant 0 Confused

I think you should prove it as solution reader might want to look upon for method rather than answer.

Pranjal Jain - 6 years, 6 months ago

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...