13+m-13-7 +7-03-2 का पान ती

3/13+7/13+1/13

Solve the following 7/13 + -9/13 = (--+(-9))/13 = (---)/13

Find the missing number in the given series. -1.3,-0.8, -0.3,?,0.7,1.2

Name the property under multiplication used in each of the following: -13/7 xx -2/7 = -2/7 xx -13/17

Find the value of : m^3-1/n^3 , if m-1/n=13/2 and m/n=7/2 .

1/7+13/(-11)

Solve (4/13)^4 . (13/7)^2 . (7/4)^3

The line of intersection of the planes vecr.(3hati-hatj+hatk)=1 and vecr.(hati+4hatj-2hatk)=2, is (A) (x-6/13)/2=(y-5/13)/-7=z/-13 (B) (x-6/13)/2=(y-5/13)/7=z/-13 (C) (x-4/7)/-2=y/7=(z-5/7)/13 (D) (x-4/7)/-2=y/-7=(z+5/7)/13

Find : a. 4 (5)/(13)- 3 (7)/(13) + 2 (8)/(13)

Find the value of 3/5xx4[7-{2/5xx(13+2)}] 3/5xx4[7-{2/5xx(13+2)}] का मान क्या है ?