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Rajesh kumar pandey
Aug 8, 2013
If the quadratic equation ax2 + bx + c has equal roots then its discriminant is equal to ...
Brajesh kedia Kedia
Mar 29, 2013
Nandini thanga raj
Mar 23, 2014
Niharika Bagri
Nov 4, 2014
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
Post the question properly.
Fransis
Feb 14, 2014
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
Given 22x+3 + 2x+3 = 1 + 2x
Let 2x = t
⇒ (2x)2 × 23+ (2x)× 2
Rajesh kumar pandey
Aug 8, 2013
If the quadratic equation ax2 + bx + c has equal roots then its discriminant is equal to ...
Brajesh kedia Kedia
Mar 29, 2013
Nandini thanga raj
Mar 23, 2014
Niharika Bagri
Nov 4, 2014
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
Post the question properly.
Fransis
Feb 14, 2014
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
Given 22x+3 + 2x+3 = 1 + 2x
Let 2x = t
⇒ (2x)2 × 23+ (2x)× 2