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Rajesh kumar pandey

Aug 8, 2013

#### If the roots of the equation (a-b)x2 + (b-c)x + (c-a) = 0 are equal , the prove 2a=b+c.



Given quadratic equation  (a-b)x2 + (b-c)x + (c-a)=0
If the quadratic equation ax+ bx + c has equal roots then its discriminant is equal to ...

Brajesh kedia Kedia

Mar 29, 2013

#### Solve the equation:-a/x-b + b/x-a = 2Answer:-x=a+b or a+b/2[nOTE:-Please give all the solution possible on this Question as i am not able to solve in my way..



Nandini thanga raj

Mar 23, 2014



Niharika Bagri

Nov 4, 2014

#### A farmer prepares a rectangular vegetable garden of area 180 sq metres.With 39 metres of barbed wire, he can fence the three sides of the garden ,leaving one of the longer sides unfenced. Find the dimensions of the garden.



Sol:
Area of the rectangle = 180 cm2
Let the length of the rectangle be 'l' m and breadth be 'b' m.
Three sides of the garden are fenced with 39 m of wire.

...

Kapil

Feb 27, 2014

#### Solve for x :  (2x-7)(x2-9)(2x+5)=91



Sol :
Post the  question properly.

Fransis

Feb 14, 2014

#### 1/(x-1) - 2/(x-2) = 3/(x-3) - 4/(x-4)



Sol :
Given 1/(x-1) - 2/(x-2) = 3/(x-3) - 4/(x-4)
⇒ (x-2) - 2(x-1) / (x-2)(x-1) = 3(x-4) - 4(x-3) / (x-3)(x-4)
⇒ -x / (x2-3x+2) = -x / (x2-7x+12)
&#...

Apoorva

Jan 2, 2014



Uttam mazumder

Oct 3, 2014

#### Solve the equation by reducing it to quadratic equation 22x+3+2x+3=1+2x



Sol:
Given 22x+3 + 2x+3 = 1 + 2x

Let 2x = t

⇒ (2x)2 × 23+ (2x)× 2

Rajesh kumar pandey

Aug 8, 2013

#### If the roots of the equation (a-b)x2 + (b-c)x + (c-a) = 0 are equal , the prove 2a=b+c.



Given quadratic equation  (a-b)x2 + (b-c)x + (c-a)=0
If the quadratic equation ax+ bx + c has equal roots then its discriminant is equal to ...

Brajesh kedia Kedia

Mar 29, 2013

#### Solve the equation:-a/x-b + b/x-a = 2Answer:-x=a+b or a+b/2[nOTE:-Please give all the solution possible on this Question as i am not able to solve in my way..



Nandini thanga raj

Mar 23, 2014



Niharika Bagri

Nov 4, 2014

#### A farmer prepares a rectangular vegetable garden of area 180 sq metres.With 39 metres of barbed wire, he can fence the three sides of the garden ,leaving one of the longer sides unfenced. Find the dimensions of the garden.



Sol:
Area of the rectangle = 180 cm2
Let the length of the rectangle be 'l' m and breadth be 'b' m.
Three sides of the garden are fenced with 39 m of wire.

...

Kapil

Feb 27, 2014

#### Solve for x :  (2x-7)(x2-9)(2x+5)=91



Sol :
Post the  question properly.

Fransis

Feb 14, 2014

#### 1/(x-1) - 2/(x-2) = 3/(x-3) - 4/(x-4)



Sol :
Given 1/(x-1) - 2/(x-2) = 3/(x-3) - 4/(x-4)
⇒ (x-2) - 2(x-1) / (x-2)(x-1) = 3(x-4) - 4(x-3) / (x-3)(x-4)
⇒ -x / (x2-3x+2) = -x / (x2-7x+12)
&#...

Apoorva

Jan 2, 2014



Uttam mazumder

Oct 3, 2014

#### Solve the equation by reducing it to quadratic equation 22x+3+2x+3=1+2x



Sol:
Given 22x+3 + 2x+3 = 1 + 2x

Let 2x = t

⇒ (2x)2 × 23+ (2x)× 2

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