CameraIcon

SearchIcon

MyQuestionIcon

1

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

Algebraic Identities

iv Using suit...

Question

Question 86 (iv)

Using suitable identities, evaluate the following:

$(98)^{2}$

Open in App

Solution

We have,
$(98)^{2} = (100 - 2)^{2} = (100)^{2} + (2)^{2} - 2 \times 100 \times 2 = 10000 + 4 - 400$
$= 9604$ [using the identity, $(a - b)^{2} = a^{2} + b^{2} - 2 a b$ ]

Suggest Corrections

thumbs-up

7

Similar questions

Question 86 (iv)

Using suitable identities, evaluate the following:

$(98)^{2}$

Question 86 (xiii)

Using suitable identities, evaluate the following:

$(9.9)^{2}$

Question 86 (vi)

Using suitable identities, evaluate the following:

$(995)^{2}$

Question 86 (v)

Using suitable identities, evaluate the following:

$(1005)^{2}$

Question 86 (ii)

Using suitable identities, evaluate the following:

$(49)^{2}$

View More

Join BYJU'S Learning Program

explore_more_icon

Explore more

Algebraic Identities

Standard VIII Mathematics

Join BYJU'S Learning Program

CrossIcon