`{:(1.,"हृदय की धड़कन सुनने वाला यंत्र",,,(i),"एथिरोस्क्लिरोसिस"),(2.,"हृदय स्पंदन",,,(ii),"हीमोग्लोबिन"),(3.,R.B.Cs.,,,(iii),"पेस मेकर"),(4.,"कोरोनरी धमनी रोग",,,(iv),"स्टेथोस्कोप"),(5.,"एस. ए. नोड",,,(v),"72 प्रति मिनट"):}`

Prove that the following points are collinear : {:((i)(2","1)","(4","3)and(3","2),(ii)(9","6)","(-1","4)and(2","5)),((iii)(b+c","a)","(c+a","b)and(a+b","c),(iv)(5","6)","(-1","4)and (2","5)):}

Prove that the following points are collinear : {:((i)(2","1)","(4","3)and(3","2),(ii)(9","6)","(-1","4)and(2","5)),((iii)(b+c","a)","(c+a","b)and(a+b","c),(iv)(5","6)","(-1","4)and (2","5)):}

Evaluate: (i) 5 ^(-3) " " (ii) ((1)/(3))^(-4) " "(iii) ((5)/(2))^(-3)" "(iv)(-2)^(-5)" "(v) ((-3)/(4)) ^(-4)

Show that the following points are collinear: (i) A(2, -2), B(-3, 8) and C(-1, 4) (ii) A(-5, 1), B(5, 5) and C(10, 7) (iii) A(5, 1), B(1, -1) and C(11, 4) (iv) A(8, 1), B(3, -4) and C(2, -5)

Find the distance between the following points . (i) A(0,0) ,B (-5,12) (ii) M (-4,-3) , N (2,-1) (iii) P (3,-4) ,Q(-3,4) (iv) L(4,1) , M (1,-3) (v) P(-1,1) ,Q(5,-7)

Find the area of the triangle whose vertices are: (i) A(3, 8), B(-4, 2) and C(5, -1) (ii) A(-2, 4), B(2, -6) and C(5, 4) (iii) A(-8, -2), B(-4, -6) and C(-1, 5) (iv) P(0, 0), Q(6, 0) and R(4, 3) (v) P(1, 1), Q(2, 7) and R(10, 8)

If A={1,2,3,4} and B={3,4,5,6,7} find (i) AUB (ii) A nn B (iii) A-B (iv) B-A

Write the following sets in Set - Builder Form : (a) (i) A={0} (ii) B={-1,1} (iii) C={1,3,5,7,9} (iv) D={2,4,6,8} (v) E={1,5,10,15,……} (vi) F= {12,18,24,…,96}. (b) (i) ,6,9,12} (iii) {2,4,8,16,32} (iii) {5,25,125,625} (iv) {2,4,6,....} (v) {1,4,9,.....100}