MyQuestionIcon

1

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

Expansion of (x^2 - y^2)

If a =4Find t...

Question

If a = 4.

Find the value of :

1) 4a^2

2) 15a^2

Open in App

Solution

a = 4

putting the value of 'a'

1) 4a²= 4(4)²= 4 44 = 64 [as a²= aa ]

2) 15a²= 15(4)²= 15 4*4 = 240

Suggest Corrections

thumbs-up

0

Similar questions

4^{a} + 4^{a + 1} = 4^{a + 2} - 176

, what is the value of

a

?

a^{2} + 4 a + x = (a + 2)^{2}

, find the value of x.

Q. Question 4
Find the value of k, if

x = 2, y = 1

is a solution of the equation

2 x + 3 y = k .

Q. Question 22
If x + 1 is a factor of

a x^{3} + x^{2} - 2 x + 4 a - 9

, then find the value of a.

x = 2, y = 5 a n d z = 4

Find the value of:

\frac{x z}{y z}

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

x^2 - y^2

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Expansion of (x^2 - y^2)

Standard VIII Mathematics

Join BYJU'S Learning Program

CrossIcon