CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

How to Find the Inverse of a Function

State whether...

Question

State whether the statement is True or False.
Evaluate: $(9 a - 7 b) (3 a - b)$ is equal to $27 a^{2} - 30 a b + 7 b^{2}$ .

A

True

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

False

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A True
$M u l t i p l y (9 a - 7 b) (3 a - b) = 27 a^{2} - 9 a b - 21 a b + 7 b^{2} = 27 a^{2} - 30 a b + 7 b^{2}$

Suggest Corrections

thumbs-up

0

Similar questions

Q. State whether the statement is True or False.

(2 a - 3 b) (3 a + 4 b)

6 a^{2} - a b - 12 b^{2}

.

Q. State whether the statement is True or False.

(7 x + 15 y) (5 x - 4 y)

35 x^{2} + 47 x y - 60 y^{2}

.

Q. State whether the statement is True or False.

(4 - a b) (8 + a b)

32 - 4 a b - a^{2} b^{2}

.

Q. State whether the statement is True or False.

(9 - y) (7 + y)

63 + 2 y - y^{2}

.

Q. State whether the statement is True or False.

(2 a + 0.5) (7 a - 0.3)

14 a^{2} + 2.9 a - 0.15

.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Inverse of a Function

MATHEMATICS

Watch in App

explore_more_icon

Explore more

How to Find the Inverse of a Function

Standard XII Mathematics

Join BYJU'S Learning Program

CrossIcon