[" (iv) "(3)/(2)a-(5)/(4)b+(2)/(5)c,(2)/(3)a-(7)/(2)b+(7)/(2)c,(5)/(3)a+(5)/(2)b-(5)/(4)c],[1+12quad 13quad -11],[hline y-(12)/(-)x-(13)/(7)xy]

Add the algebraic expressions: (3)/(2)a-(5)/(4)b+(2)/(5)c,(2)/(3)a-(7)/(2)b+(7)/(2)c,(5)/(3)a+(5)/(3)a+(5)/(2)b-(5)/(4)c

2 3/5-:5/7=\ (a) (13)/7 (b) (13)/(25) (c) (91)/(25) (d) (25)/(91)

Verify the following: (i) ((3)/(4)+(-2)/(5))+(-7)/(10)=(3)/(4)+((-2)/(5)+(-7)/(10)) (ii) ((-7)/(11)+(2)/(-5))+(-13)/(22)=(-7)/(11)+((2)/(-5)+(-13)/(22)) (iii) -1+((-2)/(3)+(-3)/(4))=(-1+(-2)/(3))+(-3)/(4)

(3)/(4)(1+(1)/(3))(1+(2)/(3))(1-(2)/(5))(1+(6)/(7))(1-(12)/(13))=?(1)/(5)( b )(1)/(6)(c)(1)/(7) (d) None of these

Add the algebraic expressions: 3/2a-5/4b+2/5c ,2/3a-7/2b+7/2c ,5/3a+5/3a+5/2b-5/4c

If sin^(-1)((5)/(x))+sin^(-1)((12)/(x))=(pi)/(2), then x is equal to (7)/(13) (b) (4)/(3)(c)13 (d) (13)/(7)

The sum and product of the slopes of the tangents to the hyperbola (x^(2))/(4)-(y^(2))/(2)=1 drawn from the point (3,-2) are (A)-(12)/(5),(6)/(5)(B)(12)/(5),(6)/(5)(C)(11)/(4),(7)/(5)(D)-(12)/(5),(8)/(5)

Add the algebraic expressions: (11)/(2)xy+(12)/(5)y+(13)/(7)x,-(11)/(2)y-(12)/(5)x-13xy

The rationalising factor of root(7)(a^(4)b^(3)c^(5)) is (a) root(7)(a^(3)b^(4)c^(2)) (b) root(7)(a^(3)b^(4)c^(2)) (c) root(7)(a^(2)b^(3)c^(3)) (d) root(7)(a^(2)b^(4)c^(3))

If {[(5,1,4),(7,6,2),(1,3,5)][(1,6,-7),(6,2,4),(-7,4,3)][(5,7,1),(1,6,3),(4,2,5)]}^(2020)=[(a_(1),a_(2),a_(3)),(b_(1),b_(2),b_(3)),(c_(1),c_(2),c_(3))] , then the value of 2|a_(2)-b_(1)|+3|a_(3)-c_(1)|+4|b_(3)-c_(2)| is equal to