## parametric equations of parabola., Mathematics

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how the parametric equations of parabola are derived?and what is the condition for the parabola whose equation is in the form of general equation of the two intersecting lines?

#### Distinct eigenvalues, It's now time to do solving systems of differential e...

It's now time to do solving systems of differential equations. We've noticed that solutions to the system, x?' = A x? It will be the form of, x? = ?h e l t Here l and

#### Trignometry: sin-3x, sin(2x+x)=sin2x.cosx+cos2x.sinx              =2sinxco...

sin(2x+x)=sin2x.cosx+cos2x.sinx              =2sinxcosx.cosx+(-2sin^2x)sinx              =2sinxcos^2+sinx-2sin^3x             =sinx(2cos^2x+1)-2sin^3x =sinx(2-2sin^2x+1)-2sin^3

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Distance Traveled by Car - word problem: It takes a man 4 hours to reach a destination 1325 miles from his home. He drives to the airport at an average speed of 50 miles per h

#### Reduction formulae, assigenment of b.sc. 1st sem

assigenment of b.sc. 1st sem

#### Find the values of k, If the vertices of a triangle are (1, k), (4, -3), (-...

If the vertices of a triangle are (1, k), (4, -3), (-9, 7) and its area is 15 sq units, find the value(s) of k..

#### Statistics, reasons why we use statistics and examples of why?

reasons why we use statistics and examples of why?

#### HELP, A local pizza shop sells large pies for \$7 each. If the cost of the o...

A local pizza shop sells large pies for \$7 each. If the cost of the order is proportional to the number of pizzas would they charge a delivery charge per pizza or per order ?

#### Alphabet is any arrangement , A word on an alphabet is any arrangement of t...

A word on an alphabet is any arrangement of the letters in the alphabet. For example,ODD, DOD, DOO, DDD are three-letter words on the alphabet {D,O}. How many four-letter words are