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Anjali Anand 2 years, 8 months ago

3x2+ 8x +k​​​

let a and b are zeroes then  b = 1/a (given)

product of zeroes = constant/ coefficient of x2​​​​​​​  =  k/3

a x b  = a x 1/a  = 1 

so k/3 = 1

so k =3

 

  • 1 answers

Anjali Anand 2 years, 8 months ago

L.H.S

(1- COS2A ) COSEC2A = SIN2 A  (1/SIN2​​​​​​​A)           (SIN2A  + COS2 A =1)  COSEC A = 1/ SIN A

                                        =1     

HENCE PROVED

  • 2 answers

Saumya Gaur 2 years, 8 months ago

Idk

Quariya Imam 2 years, 8 months ago

NCERT based
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Muskaan Syed 2 years, 8 months ago

Comprehension passage means you have to write a paragraph of your own and frame questions from that passage.
  • 4 answers

Akshata Angadi 2 years, 8 months ago

No all double displacement reaction is not precipitate reaction But all precipitate reactions are double displacement reaction

Sachin Rajpoot 2 years, 8 months ago

No all double displacement reaction is not precipitate reaction But all precipitate reactions are double displacement reaction

Prateek Thakur 2 years, 8 months ago

Yes,all double displacement reaction are precipitate reaction

Muskan Saha 2 years, 8 months ago

All double displacement reaction are not precipitation reaction.
  • 2 answers

Muskaan Syed 2 years, 8 months ago

Because of Napoleon rule in France. While giving some rights and development, Napoleon also was repressing the power of citizens.

#Student _ 2 years, 8 months ago

Because when Napoleon became leader of France he conquered the neighbouring empires and gave it to his family members. Napoleon felt that his rule is a modernization and soon after Napoleon army seems to be everywhere in France like a dictatorship that's why people opposed Napoleon.
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#Student _ 2 years, 8 months ago

Let the number at the ten's place be x and that at the one's place be y. Number obtained = 10x + y The sum of the digits in a two-digits number is 9. .....(I) The number obtained by interchanging the digits exceeds the original number by 27. 10y+x-(10x+y)=27 9(y-x)=27. Y-x=3 .......(ll) Adding (I) and (II) 2y=12 and y=6 x = 3. Hence thr required no is 36

Dawn To Dusk Twilight Classes 2 years, 8 months ago

1
1
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Aayush Singh 2 years, 8 months ago

1
  • 2 answers

Muskaan Syed 2 years, 8 months ago

Because (√2-√3) (√2+√3) gives formula a^2-b^2=(a+b) (a-b). So, (√2) ^2-(√3) ^2 = 2-3 = -1. If in a/b form -1/1.Hence proved that option (c) is rational

Muskaan Syed 2 years, 8 months ago

(c)
  • 3 answers

Muskaan Syed 2 years, 8 months ago

RD Sharma

Aashiya Khan 2 years, 8 months ago

RD sharma and ncert examplar

Dishant Kumar 2 years, 8 months ago

RD Sharma
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Muskaan Syed 2 years, 8 months ago

Would you please like to share the analysis
  • 2 answers

Aayush Singh 2 years, 8 months ago

Right

Muskaan Syed 2 years, 8 months ago

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