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This is arithmetic progression based question from Chapter name- Arithmetic Progression Chapter number- 9 Exercise – 9.2 We have been given ...Read more

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deepaksoniGuru

Asked: May 27, 2021In: CBSE

Problem 6: Find out which of the following sequences are arithmetic progressions. For those which are arithmetic progressions, find out the common difference.(vi) p, p + 90, p + 180, ………… ……

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This is arithmetic progression based question from Chapter name- Arithmetic Progression Chapter number- 9 Exercise – 9.3 In this question ...Read more

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If x/a = y/b = z/c then prove that (i)x³/a²+ y³/b²+z³/c²=(x+y+z)³/(a+b+c)² (ii) [a²x²+b²y²+c²z²/a³x+b³y+c³z] ³=xyz/abc (iii)(ax-by) /(a+b)(x-y) +(by-cz) /(b+c)(y-z) +(cz-ax) /(c+a) (z-x) =3

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Question 1: For the following arithmetic progressions write the first term a and the common difference d: (ii) 1/5 , 3/5 , 5/5 , 7/5

Problem 6: Find out which of the following sequences are arithmetic progressions. For those which are arithmetic progressions, find out the common difference.(vi) p, p + 90, p + 180, ………… ……