Question

Mohamed Ashraf Ali's image
Mohamed Ashraf Ali
Nov. 11, 2019, 12:46 a.m.

The coefficients of three consecutive terms in the expansion of 1 an are in the ratio 1:7:42 .Find ‘n’ and ‘r’.

Answer
Tango Charlie's image
Tango Charlie
Nov. 10, 2019, 10:39 p.m.
223
Cricrumfrance

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Abdul Rahman's image
Abdul Rahman
Nov. 10, 2019, 10:33 p.m.
Any other solution?
Answer
Vishal Kumar's image
Vishal Kumar
Nov. 10, 2019, 9:54 p.m.

9x2+7x_2=0

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Manish Kumar's image
Manish Kumar
Nov. 10, 2019, 9:46 p.m.
Sir case 3rd in nessasary or not

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Pradeep Kumar's image
Pradeep Kumar
Nov. 10, 2019, 9:16 p.m.

dx/cos(x+y)=dy/sin(x+y)=dz/z

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Radha Gowda's image
Radha Gowda
Nov. 10, 2019, 8:40 p.m.
Is there no video
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Kusum Kumari's image
Kusum Kumari
Nov. 10, 2019, 8:38 p.m.
Construct an equilateral triangle given its side and justify the construction 

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Shruti Kundnani's image
Shruti Kundnani
Nov. 10, 2019, 8:32 p.m.

In the adjoining figure, AP BQ  CR. Prove that ar (∆AQC) = ar (∆PBR).

Answer
ss Indian 173's image
ss Indian 173
Nov. 10, 2019, 8:22 p.m.
A godown measure 40m    25m 15m find the maximum number of wooden crate each measure 1'5m125m05m that can be stored in the godown









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Dasari Geetha's image
Dasari Geetha
Nov. 10, 2019, 8:20 p.m.
Exercise 7.3 ,answers in class 10, 2019,ts
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Maths
Chandana Bisai's image
Chandana Bisai
Nov. 10, 2019, 7:50 p.m.
Perimeter of radii and circle
Answer
Maths
Chandana Bisai's image
Chandana Bisai
Nov. 10, 2019, 7:49 p.m.
 LenthPerimeter of area
Answer
Maths
Nikhil Shivaraj's image
Nikhil Shivaraj
Nov. 10, 2019, 7:24 p.m.

Express the trigonometric ratios of secA and tan A in terms sinA

 

Answer
Mujahid Mujahid's image
Mujahid Mujahid
Nov. 10, 2019, 7:11 p.m.
In certain lottery 10,000 tickets are sold and 10 equal prize are awarded what is the probability of not getting a prize if you buy one ticket

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Ramesh Kumar's image
Ramesh Kumar
Nov. 10, 2019, 7 p.m.
Class 9 maths chapter 10 e.x10.5 ,9
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Prem Misra's image
Prem Misra
Nov. 10, 2019, 6:45 p.m.
Why we congruence the triangle 
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Nayana Shree's image
Nayana Shree
Nov. 10, 2019, 6:13 p.m.

Evaluate integral of 1 divided by root of 1+4x+x square

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