Add, multiply the given expressions — task. Maths TNSB Mentoring, Class 9.

1. Add the expression

(11 \sqrt{3} + 4 \sqrt{31})

and

(7 \sqrt{31} - 5 \sqrt{3})

2. Multiply the expression

5 \sqrt{5}

and

7 \sqrt{5}

Did you find an error?

4. Add, multiply the given expressions