solve ques 2 plzz plzzzzzz
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GOOD MORNING!!
( x - y ) = √{(x + y)² -4xy}
( x² - y² ) = ( x - y ) × ( x + y )
1)
a - 1/a = √{m² - 4}
2)
a² - 1/a² = ( a + 1/a ) × ( a - 1/a )
a² - 1/a² = m√{m² - 4}
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