WebIf p, q and r are positive and are in A P, the roots of the quadratic equation p x 2 + q x + r = 0 are real for A ∣ ∣ ∣ ∣ ∣ p r − 7 ∣ ∣ ∣ ∣ ∣ ≥ 4 3 WebIf p, q and r are positive and are in AP, the roots of the quadratic equation p x2+q x+r=0 are real for A. all p and rB. no P and rC. r / p 7 ≥ 4 √3D. P / r 7 Byju's Answer Question If p,q and r are positive and are in AP, the roots of the quadratic equation px2+qx+r= 0 are real for A ∣∣ ∣ r p−7∣∣ ∣≥4√3 B ∣∣p r−7∣∣<4√3 C all p and r D
If p, q and r are positive real numbers then the quantity (p + r)/(q ...
WebIf p, q, r, s are positive real numbers, then (p2+p+1)(q2+q+1)(r2+r+1)(s2+s+1)≥81pqrs. Q. If p and q are positive real numbers such that p2+q2 =1, then the maximum value of (p+q) is Q. If p,q,r and s are four different positive integers selected from 1 to 200, then find the highest possible value of (p+q)+(r+s) (p+q)+(r−s) Q. WebIf p , q , r are positive and are in A.P, the roots of quadratic equation px 2+ qx + r =0 are real for:A. all p and rB. no p and rC. r / p 7 ≥ 4 √3D. . r p 7 ≥ 4 √3 Question If p, q, r … notebook spectre
If pqr are in AP and are positive the roots of the quad
Web19 okt. 2024 · Class 10 Maths MCQs Chapter 5 Arithmetic Progressions. 1. The n th term of an A.P. is given by a n = 3 + 4n. The common difference is. 2. If p, q, r and s are in A.P. then r – q is. 3. If the sum of three numbers in an A.P. is 9 and their product is 24, then numbers are. 4. Web30 nov. 2016 · Q:The sum of the first p, q, r terms of an A.P. are a, b, c respectively. Show that a p ( q − r) + b q ( r − p) + c r ( p − q) = 0 Sol. Let x be the first term and d the common difference. Then, S p = a ⇒ ( p 2) ⋅ [ 2 x + ( p − 1) d] = a ⇒ a p = x + ( p − 1) ⋅ d 2 ⇒ a ( q − r) p = x ( q − r) + ( p − 1) ( q − r) ⋅ d 2 Similarly, Web30 jul. 2024 · Find relation of r-p with other terms of an AP using AP's common difference property. notebook ssd form factor