1.

Acharya quadratic formula.Ans.Exercise 3.40. 1. Solve the following equations by themethod of completing square.(i) 3x2 – 5x + 2 = 0​

Answer»

Step-by-step explanation:

3x² -5x +2 =0

Now DIVIDE the x² coefficient THROUGHOUT,

⇒x²- 5x/3+2/3=0

Divide the coefficient of x by 2, and square it and add it and subtract it in the equation,

⇒x²-5x/3+2/3+25/36 -25/36 =0

⇒x²-5x/3+25/36 =1/36

⇒(x-5/6)²=(1/6)²

⇒x-5/6=plus or MINUS 1/6

x-5/6=1/6 (or) x-5/6= -1/6 ⇒x= -1/6+5/6⇒x=4/6 ⇒x=2/3.

x=1.

x=1(or)2/3.


Discussion

No Comment Found

Related InterviewSolutions