Get Free Instant Video Solutions to Any Math Question- Doubtnut (Class 6th-12th upto IIT-JEE LEVEL)
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Get Free Instant Video Solutions to Any Math Question- Doubtnut (Cla…
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Doubtnut - IIT-JEE, NCERT Solutions, CBSE Math Doubts in English & Hindi - The All in one app
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Doubtnut - Best way to get rid of your math problems :)
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A fraction becomes 9/11\r\n if 2 is added to both numerator and the denominator. If 3 is added
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A fraction becomes 9/11\r\n if 2 is added to both numerator and the …
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Prove that: `(sin5x-2sin3x+sin x)/(cos5x-cos x)=tanx`
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Find in video from 00:12Initial Solution
Prove that: `(sin5x-2sin3x+sin x)/(cos5x-cos x)=tanx`
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Using binomial theorem, prove that `6^n-5n`\nalways leaves he remain…
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A train\r\n travels a distance of 480 km at a uniform speed. If the spee…
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The sum of four consecutive numbers in A.P. is 32 and the rati…
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Find the number of solutions of `z^2+|z|^2=0.`
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A two-digit number is 4\r\n times the sum of its digits and twice the pro…
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Find the sum of all odd numbers between 100 and 200.
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Show that `f(x)=|x-3|` is continuous but not differentiable at `x=3.`
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Find the sum of the series: `1. n+2.(n-1)+3.(n-2)++(n-1). 2+n .1.`
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Prove by the principle of mathematical induction that for al…
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Evaluate: (i) `int(2x+1)/(sqrt(3x+2))\\\\ dx` (ii) `int(3x+5)/(sqrt(7x+9))\\\\ dx`
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8 men and 12 boys can\r\n finish a piece of work in 10 days while 6 m…
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Solve the differential equation`(dy)/(dx)+sqrt((1-y^2)/(1-…
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