Home
Class 8
MATHS
2a + (-2a) =...

2a + (-2a) =__

A

- 4a

B

`-4a^2`

C

-a

D

0

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • PLAYING WITH NUMBER

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|255 Videos

  • SQUARE ROOT AND CUBE ROOTS

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|173 Videos

Similar Questions

Explore conceptually related problems

cos ^(2) ((A)/(2)) + cos ^(2) ((B)/(2)) +cos ^(2) (( C )/(2)) =

If a+ib = (x+i)^(2)/(2x^(2)+1) , prove that a^(2) + b^(2) = (x^(2)+1)^(2)/(2x^(2) + 1)^(2)

( a- b) ^(2) cos ^(2) ""(C ) /(2) + ( a+b) ^(2) sin ^(2) "" ( C )/(2) =

If (a+ib)(c+id)(e+if)(g+ih) = A + iB , then show that (a^(2) + b^(2))(c^(2) + d^(2))(e^(2) + f^(2)) (g^(2) + h^(2)) = A^(2) + B^(2)

(1^(2) )/( 1) + (1^(2) + 2^(2) )/(1+2) + (1^(2) + 2^(2) + 3^(2) )/( 1+ 2+ 3)+ …. + n terms =

If lx+ my = 1 is a normal to the hyperbola (x^(2))/(a^(2)) - (y^(2))/(b^(2)) = 1, "then" a^(2) m^(2) - b^(2) l^(2) =

In the following two reactions, (i) 2H_(2)O_(2) rarr 2H_(2)O + O_(2) (ii) H_(2)0_(2) + 2I^(-) + 2H^(+) rarr I_(2) + 2H_(2)O H_(2)O_(2) acts as