CBSE > Class 10 > Mathematics | CBSE Board | Homework Help

There are 3 methods of finding zeroes.. by factorization nd by quadratic formula nd by squaring..but. Here i will do by factorization method ok 2x^2+14x+20 2x^2+10x+4x+20=0 (2x^2+10x)+(4x+20)=0 2x(x+5)+4(x+5)=0 (2x+4)(x+5)=0 2x+4=0 or x+5=0 x=-4/2 or x=-5 Ans.

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Amandeep Singh 7 years, 6 months ago

Hlo iqra abid

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ANSWER

Define restuvity of material

Posted by ....... ........ 7 years, 6 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

1000+5000

Posted by Mir Muneeb 7 years, 6 months ago

CBSE > Class 10 > Mathematics

5 answers

Priyanshu Kumar 7 years, 6 months ago

4000+2000

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Dheeraj Verma 7 years, 6 months ago

6000. Is here some special case.

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Tanvi Jindal 7 years, 6 months ago

6000

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Tarun Kansal 7 years, 6 months ago

6000

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Anuragh Anil Kumar 7 years, 6 months ago

6000

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ANSWER

If sn=6n_5nsquare ,find the 20th term

Posted by Iqra Aabid 7 years, 6 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

If HCF (a,b)=9 ,and (a×b)=1800,then LCM (a,b)=200 .justify

Posted by Aman Saifi 7 years, 6 months ago

CBSE > Class 10 > Mathematics

2 answers

Raj Ranjan Ojha 7 years, 6 months ago

Yes

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Shivam Tiwari 7 years, 6 months ago

It is a formula that product of HCF and LCM is=product of the two numbers.. It is only applicable for two numbers

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ANSWER

Find the zeroes of the polynomial x square + x - p (p+1)

Posted by Arpita Sinha 7 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Suparna Garg 7 years, 6 months ago

(x)2+x-p(p+1) (X)2+x(p+1)_px-p(p+1) X(x+p+1)_p{x+(p+1)} (X-p)(x+p+1) X-p=p X+p+1=0 X=_p_1 =_(p+1)

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These question I ask for you to explain in detail not directly answer okk and thanks

Posted by Shubham Gupta 7 years, 6 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

If x=5-√21/2, then prove (x^3+1/x^3)-5(x^2+1/x^2)+(x+1/x)=0

Posted by Khush Khandelwal 7 years, 6 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Solvr 2+3/1999998

Posted by Divya Joshi 7 years, 6 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Cube root of avagadro no

Posted by Aaruhi Anand 7 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Gangapatrula Hemasudha 7 years, 6 months ago

84 446885.4

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ANSWER

Xy/x

Posted by Sushree Nilapuspa Pradhan 7 years, 6 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

The sum of two digit no is 16 and sum of their reciprocal is1/3. Find the no.

Posted by Neha Kumari 7 years, 6 months ago

CBSE > Class 10 > Mathematics

2 answers

Adarsh Kumar 7 years, 6 months ago

12 and 4

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Lipsa Rani 7 years, 6 months ago

12 and 4

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ANSWER

What must be subtracted from the polynomial f(x) =x*4+2x*3-13x*2-12x+21

Posted by Lakshmi Santhosh 7 years, 6 months ago

CBSE > Class 10 > Mathematics

2 answers

Anya Sharma 7 years, 6 months ago

Ya where is gx

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Suparna Garg 7 years, 6 months ago

Where is g(x).........

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ANSWER

If sin a is equal to 8 by 17 find other trigonometric ratio of angle A

Posted by Badal Kumar Singh 7 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Annu Muskan 7 years, 6 months ago

Cos a=B/H sin a=8/17=k=P/H B=√H^2-P^2 B=√17^2-8^2 B=√289-64 B=√225 B=15 Cos a=B/H =15/17 Tan a=P/B =8/15 Cosec a=H/P =17/8 Cos a=H/B =17/15 Cot a=B/P =15/8.

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