Math, asked by Mrsingh9172, 1 year ago

Check whether x=-2 is the root of 3x2+14x+13=0

Answers

Answered by ajayshotia

1

3x²+14x+13=3(-2)²+14(-2)+13
=12-28+13
=25-28=-3 not equal to 0
so x=-2 is not a root of 3x²+14x+13

Previous Question

Next Question

Similar questions

Social Sciences, 8 months ago

2. Who enforced the law banning the evil practice of Sati?

Science, 8 months ago

whathappened to the material when cut...

Math, 8 months ago

7. Compute the following sums in simplest way by using the properties of addition. Name the property used in different steps: (a) 146 + (87 +54) (b) (109 + 3,082) + 91 (C) 144 + (356 + 1,227) ...

Math, 1 year ago

2x²+1/x²(x²+4) ka integral Of x...

Science, 1 year ago

How can we do exception handling in MVC?

English, 1 year ago

write a character sketch of bishop brooks in about 250-300 words...

Social Sciences, 1 year ago

World war 1 lead to february revolution in petrograd, Russia. Explain it with 5 reasons.

English, 1 year ago

what have u learnt about Lord Ullins character from the oem...