Q. NO. 2 EXERCISE 11.1

If a_1, a_2, a_3, be terms of an A.P. and (a_1+a_2+.....+a_p)/(a_1+a_2+.....+a_q)=(p^2)/(q^2), p!=q ,t h e n(a_6)/(a_(21)) equals to (a).41/11 (b). 7/2 (c). 2/7 (d). 11/41

The sum of 10 terms of the series 1+2(1.1)+3(1.1)^(2)+4(1.1)^(3)+…. is

Class 10 Exercise 10.2 Question 1 | CBSE Class 10 Ex -10.2 Q1 | NCERT | Class 10 Maths Chapter 10

Find the product : 10.007 xx 11.1 xx 2

If the sum of the series S=1+5/11+12/((11)^2)+22/((11)^3)+35/((11)^4)+.....oo can be expressed in the form of a rational number p/q in the lowest form, then the value of (p+q) equals (i) 2573 (ii) 2753 (iii) 2375 (iv) 2357

For solving each pair of equations, in this exercise, use the method of elimination by equation coefficiients : 13x + 11y = 70 11x + 13y = 74

Sets , Nios, Class-12, Ch-1 ,Ex-1.1 ,Q-1

ABC is a triangle and AD is the median. If the coordinates of A are (4,7,-8) and the coordinates of centroid of triangle ABC are (1,1,1) what are the coordinates of D? (A) ((-1)/2,2,11) (B) ((-1)/2,-2,11/2) (C) (-1,2,11) (D) (-5,-11,19)

The tangents to the curve x^(2) + y^(2) = 2 at points (1,1) and (-1,1) are