Please solve ques 9 and i will mark you brainliest.
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Let A= 7√3/√10+√3 ×√10-√3/√10-√3
7√30- 7×3/10-3
7√30-21/7= 7(√30-21)/7
√30-21
Let B=-2√5/√6+√5 ×√6-√5/√6-√5
-2√30+2×5/6-5
=-2√30+10
Let C = -3√2/√15+3√2×√15-3√2/√15-3√2
-3√30+9×2/15-18 = -3√30+18/-3
3(-√30+6)/-3
=√30-6
Now put the values:-
√30-21-2√30+10+√30-6
=-17
7√30- 7×3/10-3
7√30-21/7= 7(√30-21)/7
√30-21
Let B=-2√5/√6+√5 ×√6-√5/√6-√5
-2√30+2×5/6-5
=-2√30+10
Let C = -3√2/√15+3√2×√15-3√2/√15-3√2
-3√30+9×2/15-18 = -3√30+18/-3
3(-√30+6)/-3
=√30-6
Now put the values:-
√30-21-2√30+10+√30-6
=-17
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