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[7^-4/4^-2]^1/4
=[(7^-4×1/4)/4^-2×1/4]
=[7^-1/4^-1/2]
=[√4/7]
=2/7 ans
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RihanAkhtar:
thanks bro...A lot
ur welcome
bro 3rd step ke baad se samajh ni aya ?
no ok ok ... i understood
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