the product of all roots of the equation x power 2 n - 5 x power2n- 3 + 4 xpower n + 7 =0 is
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product of roots = {(-1)^(a-1) }× (last number )/(coffecient of first )
where a = no of term in equation
here a= 4 no of terms
product ={ (-1)^(4-1) }×(7/1)
= -7
where a = no of term in equation
here a= 4 no of terms
product ={ (-1)^(4-1) }×(7/1)
= -7
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yukthareddy:
i cant understand could you pls solve it on a paper
picture uploaded ... check it
thank you
welcome dear
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