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प्रश्न
If x = 2, y = 5 and z = 4, find the value of the following:
`(5"x"^4"y"^2"z"^2)/(2"x"^2)`
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उत्तर
`(5"x"^4"y"^2"z"^2)/(2"x"^2)`
= `(5"x"^(4-2)"y"^2"z"^2)/2`
= `(5"x"^2"y"^2"z"^2)/2`
= `(5(2)^2(5)^2(4)^2)/2`
= `(5xx4xx25xx16)/2`
= 5 × 2 × 25 × 16
= 4,000
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State true and false:
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If x = 2, y = 5 and z = 4, find the value of the following:
`"x"/(2"x"^2)`
If x = 2, y = 5 and z = 4, find the value of the following:
`("x"^2"y"^"x")/"x"`
Simplify:
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Simplify:
− m − n − (− m) − m
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