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प्रश्न
If x = a t4 y = 2a t2 then `("d"y)/("d"x)` = ______
विकल्प
`1/"t"`
`(-1)/"t"`
`1/"t"^2`
`(-1)/"t"^2`
उत्तर
`1/"t"^2`
APPEARS IN
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