saniya

whats the for this question if sin3x=cos6x,then x=_____

let pipe of larger diameter fills in hrs= x In 1hr level=1/x pipe of smaller diamter fills in hrs= x+10 A.T.Q 4/x+9/x+10=1/2 4(x+10)+9x/x(x+10)=1/2 4x+40+9x/x^2+10x=1/2 (x^2=square of x) x^2+10x=80+26x x^2-16x-80=0 a=1 b=-16 c=-80 b^2-4ac= (-16)^2-4(1)(-8...

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answers is write. Thanku it is very helpful