Two mark example problems I — task. Mathematics State Board, Class 8.

UPSKILL MATH PLUS

Learn Mathematics through our AI based learning portal with the support of our Academic Experts!

1. Find the value of \((3a + 4c)^2\) by using \((a + b)^2\) identity.

Answer:

\((3a + 4c)^2 =\)

{i i}^{i} + i i i + {i i}^{i}

(Note: Enter the numbers first followed by the variables in alphabetical order and then its exponent.)

2. Find the value of \(998^2\) by using \((a - b)^2\) identity.

Answer:

\(998^2 =\)

3. Simplify \((3x + 5y)(3x - 5y)\) by using \((a + b)(a - b)\) identity.

Answer:

\((3x + 5y)(3x - 5y) =\)

{i i}^{i} - {i i}^{i}

(Note: Enter the numbers first followed by the variables in alphabetical order.)

Did you find an error?

3. Two mark example problems I