If the equation \( 9 x^{2}+6 k x+4=0 \) has equal roots, then the roots are both equal to (W) (a...

Channel:
Subscribers:
451,000
Published on ● Video Link: https://www.youtube.com/watch?v=FqkyfKir0x8



Duration: 4:19
290 views
0


If the equation \( 9 x^{2}+6 k x+4=0 \) has equal roots, then the roots are both equal to
(W)
(a) \( \pm \frac{2}{3} \)
(b) \( \pm \frac{3}{2} \)
(c) 0
(d) \( \pm 3 \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live




Other Videos By PW Solutions


2023-02-20₹ 9000 were divided equally amonga certain number of persons. Had there been20 more persons, eac...
2023-02-20There are two temples, one on each bank of a river, just opposite to each other. One temple is \...
2023-02-207 सफेद गेंदों व 3 काली गेंदों को यादृच्छिक रूप से पंक्ति में रखा जाता है। दो काली गेंदों के संलग...
2023-02-20कौन सी संरचना गेस्ट्रला को ब्लास्टुला से विभेदित करती है (A) तीन जननिक स्तर (Three germ layers) ...
2023-02-20If \( \operatorname{cosec} \theta=2 x \) and \( \cot \theta=\frac{2}{x} \), find the value of \(...
2023-02-20If \( \sin ^{2} \theta \cos ^{2} \theta\left(1+\tan ^{2} \theta\right)\left(1+\cot ^{2} \theta\r...
2023-02-20If \( 5 x=\sec \theta \) and \( \frac{5}{x}=\tan \theta \), find the value of \( 5\left(x^{2}-\f...
2023-02-20If \( \cos \theta=\frac{3}{4} \), then find the value of \( 9 \tan ^{2} \theta+9 \) (IV
2023-02-20The value of \( \sqrt{6+\sqrt{6+\sqrt{6+}}} \ldots \) is (V) (a) 4 (b) 3 (c) \( -2 \) (d) \( 3.5 \)
2023-02-20If \( \sin \theta=\frac{1}{3} \), then find the value of \( 2 \cot ^{2} \theta+2 \) \( \underbra...
2023-02-20If the equation \( 9 x^{2}+6 k x+4=0 \) has equal roots, then the roots are both equal to (W) (a...
2023-02-20The positive value of \( k \) for which the equation \( x^{2}+k x+64=0 \) and \( x^{2}-8 x+k=0 \...
2023-02-20If the equation \( x^{2}-a x+1=0 \) has two distinct roots, then (a) \( |a|=2 \) (b) \( |a|2 \) ...
2023-02-20कशेरुक भ्रूणिकी में आँख के विकास का अध्ययन किसके अन्तर्गत किया जाता है (A) नोटोजेनेसिस (B) न्यूर...
2023-02-20On what basis would you classify energy sources as (a) renewable and non-renewable? (b) exhausti...
2023-02-20What are the advantages and disadvantages of using a solar cooker? Are there places where solar ...
2023-02-20What are the qualitles of an ideal source of energy? (i)
2023-02-20Several electric bulbs designed to be used on a \( 220 \mathrm{~V} \) electric supply line, are ...
2023-02-20Make a diagram to show how hypermetropla is corrected. The near point of a hypermetropic eye is ...
2023-02-20Most of the sources of energy we use represent stored solar energy. Which of the following is no...
2023-02-20State the rule to determine the direction of a (1) magnetic field produced around a stralght con...