Plz solve these questions 23,24(b),27,29,30,31,32

Plz solve these questions 23,24(b),27,29,30,31,32 20. If the f'quation 1 has two roots equal in 'nagnitude and opposite in sign then the value of a 4b (d) none Karnataka 1995) 21. The set 01' values of p for which the roots of the equation 3x 2x + ( P— II p are of opposilc sign, O'T.Sc 1992) 27. 22. The product of the roots of the equation mx2 +6x +12m— 1) —O is — 1. Then mis equal to d) -1/3 (C.E.T. Punjab 1990) If the sum the roots of ax2 be equal to surp of the squares, then (a) 2ac—ab +b2 (c) —ac.c 28. (b) 20b = be (d) None 24. (A) If sin 0 and cose are the roots of the equation lx2 + mx+n=0, then (a) 12 —rn2 +21n=0 (b) 12 t mf +21n=O (c) 12 —m2 —21n=O (d) 12 —2111=0 The value ofafor which sum of the squares of the roots of the equation x2 — (a —2) x— assumed the least value is (AIEEE 2005) 25. If tan Band sece are the roots of the equation ax2 +bx+c=0, then (a) 03 +bJ +c3 —3abc=O (b) -b2 +2ac=o (c) a' +4ab2c—b4 —0 (d) none of these 26. (A) The roots of the equation x2 + px+q=o are tan 220 and tan 230 then (B) If the roots of the equation x2 + are tan 300 and tan 150, then the value of 2 +q (AIEEE 2006) lfu and E value of Ifa,ß are then Lt 17 Ifa,ßbet those oi A, Let u, bt of Ax z discrimir A.P., ther If the roc the roots quantity. The ratio same as Ax 2 + Bx

Kindly refer the similar link for your query.
23
https://www.meritnation.com/ask-answer/question/if-the-sum-of-roots-of-ax2-bx-c-0-is-to-the-sum-of-the-squa/quadratic-equations/10764941
  
For remaining queries we request you to post them in separate threads to have rapid assistance from our experts.

Regards

  • 1
What are you looking for?