Question

• 1190 ÷ √7225 × ? = 3094

• 1190 ÷ √[7225] × ? = 3094

• x^4-32x^2 256=0
  
• y^4-7y^2 12=0

• 1190÷√[7225]×?=3094

hii sir ....

we are purchasing the product with including tax amount 9275

we are selling resale purpose for same....vat 14.5% how to get the profit ? and how to calculate? please tell me .........

Derivative w.r.t x for y= cos(a.cos x+ b.sin x)

prove that (m-n-2) [(m+n)^2 + (-n+2)^2 + (-2-m)^2] = 2(m^3 + n^3 -8 - 6mn)

find the possible percent of error in computing the parallel resistance R of the three resistances r1,r2 and r3 from farmulaf r1,r2,r3 has error of 1.2%

 plz tell me answer of 11th questions plz....