Find the value of a and b, 7+root5/7-root5 - 7-root5/7+root5 = a+root5b.
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[7+√5/7-√5]-[7-√5/7+√5]=a+b√5
[7+√5]²-[7-√5]²/7²-√5²=a+b√5
49+5+14√5-[49+5-14√5]=a+b√5
28√5=a+b√5
by comparison of LHS and RHS
a=0,b=28
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