CameraIcon

SearchIcon

MyQuestionIcon

1

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

Cube Numbers

Question 86 x...

Question

Question 86 (xix)

Using suitable identities, evaluate the following:

$(132)^{2} - (68)^{2}$

Open in App

Solution

We have,
$(132)^{2} - (68)^{2} = (132 + 68) (132 - 68) = 200 \times 64$
$= 12800$ [using the identity, $a^{2} - b^{2} = (a + b) (a - b)$ ]

Suggest Corrections

thumbs-up

0

Similar questions

Question 86 (xix)

Using suitable identities, evaluate the following:

$(132)^{2} - (68)^{2}$

Question 86 (xxi)

Using suitable identities, evaluate the following:

$(729)^{2} - (271)^{2}$

Question 86 (iii)

Using suitable identities, evaluate the following:

$(103)^{2}$

Question 86 (ii)

Using suitable identities, evaluate the following:

$(49)^{2}$

Question 86 (viii)

Using suitable identities, evaluate the following:

$52 \times 53$

View More

Join BYJU'S Learning Program

explore_more_icon

Explore more

Standard VIII Mathematics

Join BYJU'S Learning Program

CrossIcon