Q5. Find the value of k for which the equation x² +5kx+16 has no real roots.

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Nature of Roots (Part 3) | Quadratic Equations | CBSE | Class 10 | Math « »

Q5. Find the value of k for which the equation x² +5kx+16 has no real roots.

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This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||

9 episoder

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Q9. Determine the positive value of p for which the equations x² +2px +64 and x² -8x +2p =0 will both have real roots. 3:27

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3:27

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Q8. Find the values of k for which the given equation has real roots: 2x² +kx +2 = 0 1:55

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1:55

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Q7. Find the values of k for which the given equation has real roots: 3x² +2x +k =0 1:51

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1:51

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Q6. Find the values of k for which the given equation has real roots: kx² - 6x - 2 =0 1:47

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1:47

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Q5. Find the value of k for which the equation x² +5kx+16 has no real roots. 2:39

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2:39

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Q4. Show that the equations 2(a² +b²) x²+2(a +b)x+1=0 has no real roots, when a ≠ b. 2:33

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2:33

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Q3. Show that the equations 3x²+7x+8=0 is not true for any real value of x. 2:29

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2:29

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Q2. If the roots of the equation (b-c)x² +(c-a)x+(a-b) =0 are equal, prove that 2b=a + c. 2:48

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2:48

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Q1. Prove that both the roots of the equation (x-a)(x-b)+(x-b)(x- c)+(x -c)(x-a) =0 are real but they are equal only when a=b=c. 6:08

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6:08

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Understanding Taxes as a Newly Formed Small Business - Part 2 of the Small Business Starter Kit 28:24

Nature of Roots (Part 3) | Quadratic Equations | CBSE | Class 10 | Math « »
Q5. Find the value of k for which the equation x² +5kx+16 has no real roots.