Question

amount on compound interest A = formula​

Answer 1

Answer:

CI = P(1 + r/100) ^n- p is the formula

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Answer 2

formula is given below :

${\underline{\boxed{\pmb{\sf{ A = P \bigg[ 1 + \dfrac{R}{400}\bigg]^{4n} }}}}}$

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The nature of the roots of a quadratic equation is given by its discriminant (D).‎‎

Let us consider a quadratic equation ax^2 + bx + c = 0ax

2

+bx+c=0 , then nature of roots of quadratic equation depends upon Discriminant D = b^2 - 4acD=b

2

−4ac of the quadratic equation.

If D = b^2 - 4ac > 0D=b

2

−4ac>0 , then roots of the equation are real and unequal.

If D = b^2 - 4ac = 0D=b

2

−4ac=0 , then roots of the equation are real and equal.

If D = b^2 - 4ac < 0D=b

2

−4ac<0 , then roots of the equation are unreal or complex or imaginary.

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