Archive
31st of March 2017
Mathematics
Q:

Use factorization method to solve: 3x 2 − 2√6x + 2 = 0.

Babu Joy - CBSE - Class X

Friday, March 31, 2017 at 11:51:AM

A:

begin mathsize 16px style 3 straight x squared minus 2 square root of 6 straight x plus 2 equals 0
rightwards double arrow 3 straight x squared minus square root of 6 straight x minus square root of 6 straight x plus 2 equals 0
rightwards double arrow square root of 3 straight x left parenthesis square root of 3 straight x minus square root of 2 right parenthesis minus square root of 2 left parenthesis square root of 3 straight x minus square root of 2 right parenthesis equals 0
rightwards double arrow left parenthesis square root of 3 straight x minus square root of 2 right parenthesis left parenthesis square root of 3 straight x minus square root of 2 right parenthesis equals 0
rightwards double arrow square root of 3 straight x minus square root of 2 equals 0 space or space square root of 3 straight x minus square root of 2 equals 0
rightwards double arrow square root of 3 straight x equals square root of 2 space or space square root of 3 straight x equals square root of 2
rightwards double arrow straight x equals fraction numerator square root of 2 space over denominator square root of 3 end fraction comma space fraction numerator square root of 2 space over denominator square root of 3 end fraction end style

Friday, March 31, 2017 at 20:11:PM