इन व्यंजकों को सरल कीजिए तथा इनके मान ज्ञात कीजिए जब `x=3,a=-1` और `b=-2` है।
(i) `3x-5-x+49` (ii) `2-8x+4x+4`
(iii) `3a+5-8a+1` (iv) `10-3b-4-5b` (v) `2a-2b-4-5+a`

Solve the equation: (i) x+10gt4x-5 (ii) 8x-2gt5x . (iii) 3x-10gt5x+1 .

Evaluate each of the following (i) 5^2 x 5^4 (ii) 5^8 divide 5^3 (iii) (3^2)^3 (iv) (11/12)^3 (v) (3/4)^-3

Expand (i) (5a-3b)^3 (ii) (3x-(5)/(x))^3 (iii) ((4)/(5)a-2)^3

Evaluate : (i) int(3x+5)^7dx (ii) int(4-9x)^(5)dx (iii) int(1)/((2-3x)^(4))dx (iv) intsqrt(ax+b)\ dx

If A = 4x^(3) - 5x + 7, B = 2x^(3) -x^(2) + 3 and C = 5x^(3) - 8x^(2) + 10 , then A - 2B - C is

Add: (i) 3a - 2b + 5c, 2a + 5b - 7c, -a - b + c (ii) 8a - 6ab + 5b, -6a - ab - 8b, -4a + 2ab + 3b (iii) 2x^(3) - 3x^(2) + 7x - 8, -5x^(3) + 2x^(2) - 4x + 1, 3 - 6x + 5x^(2) - x^(3) (iv) 2x^(2) - 8xy + 7y^(2) - 8xy^(2), 2xy^(2) + 6xy - y^(2) + 3x^(2), 4y^(2) - xy - x^(2) + xy^(2) (v) x^(3) + y^(3) - z^(3) + 3xyz, - x^(3) + y^(3) + z^(3) - 6xyz, - x^(3) - y^(3) - z^(3) - 8xyz (vi) 2 + x - x^(2) + 6x^(3). -6 - 2x + 4x^(2) - 3x^(3). 2 + x^(2). 3 - x^(3) + 4x - 2x^(2)

If A = 4x^(3) -8x^(2), B = 7x^(3) -5x + 3 and C = 3x^(3) + x - 11 , then find 2A -3B + 4C

Factorize following expressions (i) x^(2)+3x-40" (ii)"x^(2)+5x-14 (iii) x^2-3x-4" (iv)"3x^2-10x+8

Find the value of X and Y (X और Y का मान ज्ञात कीजिए) I. 2x^(2)-5x-3=0 II. 4y^(2)+16y+15=0

(b) Factorize 4x^(3) - 10y^(3) - 8x^(2) y + 5xy^(2)