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  • 4 answers

Mohammad Arshil 3 years, 9 months ago

A)Given That Sm=Sn m/2{2a+(m-1)d}=n/2{2a+(n-1)d} m{2a+md-d}=n{2a+nd-d} 2ma+m^2d-md=2na+n^2d-nd 2ma-2na+m^2d-n^2d-md+nd=0 2a(m-n)+(m^2-n^2)d-(m-n)d=0 2a(m-n)+{(m+n)(m-n)}d-(m-n)d=0 Dividing By (m-n) in whole equation We get 2a+(m+n)d-d=0 2a+(m+n-1)d=0 Multiplying My m+n/2 In LHS And RHS m+n/2{2a+(m+n-1)d}=0×m+n/2 Thus Sm+n=0 Hence Proved

Chanchal Tanwar 3 years, 9 months ago

Hello

Rishab Kandwal 3 years, 9 months ago

(B) 1500

Navkaran Singh 3 years, 9 months ago

Hi
  • 0 answers
  • 3 answers

Raj Kumar 3 years, 9 months ago

Advantage of network 1- online education 2- online shopping 3-communication of any person present in world

Bhawna Bhardwaj 3 years, 9 months ago

We can talk to anyone to anywhere in the world by network.

Prachi Pathak 3 years, 9 months ago

Files can easily be shared between users
  • 1 answers

Vamsi Koyya 3 years, 9 months ago

Combustion onwards deleted
  • 1 answers

Chanchal Tanwar 3 years, 9 months ago

Don't lie
  • 2 answers

Chanchal Tanwar 3 years, 9 months ago

39

Aadarsh Brar 3 years, 9 months ago

40
  • 3 answers

Chanchal Tanwar 3 years, 9 months ago

?/40

Anushka Yadav 3 years, 9 months ago

90%/?

Chanchal Tanwar 3 years, 9 months ago

Don't lie
  • 5 answers

Priyanka Kumari 3 years, 9 months ago

Don't lie ?

Chanchal Tanwar 3 years, 9 months ago

Because I have 7 subject *Hindi =40 *maths =40 *English =40 *science =40 *Social science =40 *information technology =25 *sanskrit =40 Total is 265

Chanchal Tanwar 3 years, 9 months ago

Shorya pratap how many subject have you

Shorya Pratap 3 years, 9 months ago

173 out of 200

Chanchal Tanwar 3 years, 9 months ago

Don't lie
  • 3 answers

Ishant Sharma 3 years, 9 months ago

73%

Aditya Kumar 3 years, 9 months ago

98 percent

Chanchal Tanwar 3 years, 9 months ago

Don't lie
  • 3 answers

Nandita Maity 3 years, 9 months ago

Yes

Âťťíťůđē Bøý 3 years, 9 months ago

Yaa ur right sohini

Account Deleted 3 years, 9 months ago

God will be with us but we also have to try our best, we must not put all the problems to god
  • 1 answers

Sujata Parida 3 years, 9 months ago

Please answer me
  • 3 answers

Ansh Yadav 3 years, 9 months ago

Root stems leaves branch

Ritvik Garg 3 years, 9 months ago

Root,stems,leaves I know only threee?

Smriti Chaudhary 3 years, 9 months ago

??
  • 5 answers

Sanket .........✨ 3 years, 9 months ago

Meine to abhi khtm ki h ....?

K_Hushii 🍁 3 years, 9 months ago

Kar diya kb ka .....bhaut maza aa rha h...

Sanket .........✨ 3 years, 9 months ago

Tumne khelna start kr diya ki kuchh aur kr rhi ho.....

Sanket .........✨ 3 years, 9 months ago

Happy Holi ....

K_Hushii 🍁 3 years, 9 months ago

Good morning happy hoil.......
  • 1 answers

Prince Yadav 3 years, 6 months ago

The multi-sport event for the people who have hearing disabilities.It gives the chance for deaf peoples.
  • 0 answers
  • 2 answers

Annie Tyagi 3 years, 9 months ago

हम कैसे जान सकते हैं?

Varadh Bobith 3 years, 9 months ago

Tera baap
  • 0 answers
  • 1 answers

Bhaswati Bishoi 3 years, 9 months ago

Because 1. Map give more information than the globe. 2. A globe is useful when we want to study the earth as a whole, but when we want to study only a part of the earth then we use a map
  • 4 answers

Sanket .........✨ 3 years, 9 months ago

Ok by good night ? kl baat krte h

Sanket .........✨ 3 years, 9 months ago

Ha abhi abhi

K_Hushii 🍁 3 years, 9 months ago

Haa...aur papa bhi aa gye.... Tumne kar liya

Sanket .........✨ 3 years, 9 months ago

Dinner ho gya ....? Miss
  • 2 answers

Tanisha Upadhayay 3 years, 8 months ago

It is a multi step process in which citric acid is a first product as well as final reactant

Tanisha Upadhayay 3 years, 8 months ago

Multi step process in which citric acid is final reactant as well as final product
  • 0 answers
  • 2 answers

Priyadarsani Sahu 3 years, 9 months ago

A group of people who come together to contest elections and to hold power in the government are called political parties They agree on some policies and programmes for the society in a view to promote collective good. Since there can be different views on what is good for all parties tried to persuade people why their policies are better than others. They seek to implement these policies by winning popular support through elections. Thus parties reflect Fundamental poltical division in a society

Asutosh Biswal Asutosh 3 years, 9 months ago

Parties divide the society on the basis of ideologies that its support and endorses
  • 1 answers

Dev Darbar 3 years, 9 months ago

groups within the same state (or country). The aim of one side may be to take control of the country or a region, to achieve independence for a region, or to change government policies.[3] The term is a calque of Latin bellum civile which was used to refer to the various civil wars of the Roman Republic in the 1st century BC.
  • 5 answers

Anjali Parshuram 3 years, 9 months ago

Area = l×b = 5×2 =10 sq cm

Sarvesh Kumar 3 years, 9 months ago

10

Shivsuriya Nk Sanoop 3 years, 9 months ago

2×(l+b) 2×{5+2} =14

Shivsuriya Nk Sanoop 3 years, 9 months ago

And the perimeter also

Shivsuriya Nk Sanoop 3 years, 9 months ago

Area is (l×b) (5×2) =10 the answer of area
  • 5 answers

Ritika Sharma 3 years, 9 months ago

Keyboard

Garv.R Choudhary 3 years, 9 months ago

Keyboard

Prince Kumar 3 years, 9 months ago

Keyboard
Keyboard

Samarth Kadganchi 3 years, 9 months ago

Key board

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