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Mathematics for IGCSE & O level - Indices 2 (Section 2 - No. 14)
Simplify the expression (9x
4
y
2
)
1/2
3x
2
y
3x
4
y
9x
2
y
9x
4
y
Explanation
(9x
4
y
2
)
1/2
= √9 * √(x
4
) * √(y
2
) = 3x
2
y
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