15^1/4 by 3^1/2 whole to the power minus 2
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Answer:
√(3/5)
Step-by-step explanation:
( 15¼ / 3½) ^(-2)
= ( 15^( -2×1/4) / 3^(-2×1/2)
= 15^(-1/2) / 3^(-1)
=( 1/√15) / (1/3)
= (1/√15) × ( 3/1)
= 3/√15 =(√3×√3) / ( √3×√5)
____
= √( 3/5)
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