CameraIcon

SearchIcon

MyQuestionIcon

1

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

Factors

Question 6ivU...

Question

Question 6(iv)
Using identities, evaluate:
$998^{2}$

Open in App

Solution

$998^{2} = (1000 - 2)^{2} = (1000)^{2} - 2 \times 1000 \times 2 + (2)^{2}$
$[U s i n g i d e n t i t y (a - b)^{2} = a^{2} - 2 a b + b^{2}]$
$= 1000000 - 4000 + 4 = 996004$

Suggest Corrections

thumbs-up

3

Similar questions

Q. Question 6(iv)
Using identities, evaluate:

998^{2}

Q. Using identities, evaluate

998^{2}

Q. Evaluate the following by using the identities:

998^{2}

Q. Question 6(ii)
Using identities, evaluate:

99^{2}

Q. Question 6(ii)
Using identities, evaluate:

99^{2}

View More

Join BYJU'S Learning Program

explore_more_icon

Explore more

Standard IX Mathematics

Join BYJU'S Learning Program

CrossIcon