Add, multiply the given expressions — task. Mathematics State Board, Class 9.

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1. Add the expression

(11 \sqrt{19} + 6 \sqrt{53})

and

(7 \sqrt{53} - 8 \sqrt{19})

2. Multiply the expression

5 \sqrt{41}

and

11 \sqrt{41}

Did you find an error?

5. Add, multiply the given expressions