Question

the sum of √18 + √64 is

a) 82

b) 3+8√2

c) 8+3√2

d) 11√2​

Answer 1

$\huge{\underline{\mathtt{\red{A}\pink{n}\green{s}\blue{w}\purple{e}\orange{r}\red{♡}\pink{♡}}}}$

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Answer 2

Answer:

Correct option is

B

64

Comparing 3

3

x

2

+10x+

3

by ax

2

+bx+c=0.

a=

3

,b=10 and c=

3

Discriminant (D)=b

2

−4ac

=(10)

2

−4×3

3

×

3

=100−4×3×3

=100−36

=64

Hence, option (B) is correct.

verified_toppr

Discriminant of the equation −3x

2

+2x−8=0 is