Question

Find the root of the Quad. Eq by Completing Square Method √2x² +7x +5√2 = 0

Answer 1

The Answer is Written below:

√2x² +7x +5√2 = 0

d= b2+4ac

49 - 4(√2)(5√2)

49-40

=9

real roots

x=-b +,-√b2-4ac/2a

-7  +,-√9/2(√2)

-7 +,- 3/2

-7-3/2=-5/2 or

-7+3/2 = -4/2 = -2

so, the roots are -5/2 & -2