Question

(√6+√10 - √21-√35)(√6-√10 + √21-√35)​

Answer 1

SOLVING STEPS picture is above

click on above written equation

(√6+√10 - √21-√35)(√6-√10 + √21-√35)

=10

Answer 2

Step-by-step explanation:

(√6+√10-√21-√35)(√6-√10+√21-√35)

= {√2(√3+√5) -√7(√3+√5) } {√2(√3-√5)+√7(√3-√7) }

={(√3+5)(√2-√7)} {(√3-√5)(√2+√7)}

=(√3+√5)(√3-√5)(√2-√7)(√2+√7)

= {(√3)²-(√5)²} {(√2)²-(√7)²}

=(3-5)(2-7)

=(-2)×(-5)

=+10

will be your answer

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