17th Problem 2016

Algebra Level pending

Simplify:

5 7 + 343 x 3 y 2 z \frac { 5 }{ 7\quad +\quad \sqrt { 343{ x }^{ 3 }{ y }^{ 2 }z } }

Dont answer , problem undergoing change... Incorrect answers

5 − 5 x z 7 − 49 x y z \frac { 5-5\sqrt { xz } }{ 7-49{ x }{ y }z } 5 − 5 x y x z 7 − 49 x 3 y 2 z \frac { 5-5xy\sqrt { xz } }{ 7-49{ x }^{ 3 }{ y }^{ 2 }z } 5 − 5 x z 7 − 49 x 2 y z \frac { 5-5\sqrt { xz } }{ 7-49{ x }^{ 2 }{ y }z } 35 − 35 x y x z 49 − 343 x 3 y 2 z \frac { 35-35xy\sqrt { xz } }{ 49-343{ x }^{ 3 }{ y }^{ 2 }z }

Angela Fajardo by Angela Fajardo , 19, Philippines

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1 solution

Rishabh Jain
Jan 1, 2016

A and C options are same and in the correct option it should be √7xz instead of √xz.....if I am not wrong.

0 Helpful 0 Interesting 0 Brilliant 0 Confused

Indeed, mistake on my part that's a typographical error thanks

Angela Fajardo - 5 years, 5 months ago

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