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2x^2+x-6=0 in complete square method

Posted by Sania Kumari 3 years, 1 month ago

CBSE > Class 10 > Mathematics

4 answers

Vivek Prajapati 3 years, 1 month ago

Solution verified Verified by Toppr 2x 2 +x−6 Completing the square, ⇒x 2 + 2 x−3=0 ⇒x 2 + 2 x+ 16 1− 16 1−3=0 ⇒(x+ 4 1) 2 − 16 49=0 ⇒(x+ 4 1− 4 7)(x+ 4 1+ 4 7)=0 ⇒(x− 2 3)(x+2)=0 ⇒x= 2 3,−2 Solve any question of Quadratic Equations with:-. This is wrong. 3/2,-2 this right

Faisal Khan 3 years, 1 month ago

Solution verified Verified by Toppr 2x 2 +x−6 Completing the square, ⇒x 2 + 2 x −3=0 ⇒x 2 + 2 x + 16 1 − 16 1 −3=0 ⇒(x+ 4 1 ) 2 − 16 49 =0 ⇒(x+ 4 1 − 4 7 )(x+ 4 1 + 4 7 )=0 ⇒(x− 2 3 )(x+2)=0 ⇒x= 2 3 ,−2 Solve any question of Quadratic Equations with:-

Bhavesh Upadhyay 3 years, 1 month ago

Completing the square method paper me nahi ayega

Nutan Kuldeepkar 3 years, 1 month ago

What is family law

ANSWER

what is the probability of p(E)

Posted by Moksh Shah 3 years, 1 month ago

CBSE > Class 10 > Mathematics

4 answers

Sirajuddin. Mujawar 3 years, 1 month ago

Hii

Abhilasha X C 3 years, 1 month ago

Probability of event

D.R, Chirag 3 years, 1 month ago

Probability of event

Iron Man 3 years, 1 month ago

p(E) = No. of outcomes ____________________ Total no. of events

ANSWER

Tan 7° tan23° tan60° tan67° tan83°= √3

Posted by Saksham Singh 3 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Faisal Khan 3 years, 1 month ago

Solution verified Verified by Toppr To evaluate, tan7 ∘ tan23 ∘ tan60 ∘ tan67 ∘ tan83 ∘ We know that, tan(90−θ)=cotθ and cotθ= tanθ 1 tan7 ∘ =tan(90 ∘ −83 ∘ )=cot83 ∘ tan23 ∘ =tan(90 ∘ −67 ∘ )=cot67 ∘ ∴tan7 ∘ tan23 ∘ tan60 ∘ tan67 ∘ tan83 ∘ =cot83 ∘ cot67 ∘ tan60 ∘ tan67 ∘ tan83 ∘ = tan83 ∘ 1 tan67 ∘ 1 tan60 ∘ tan67 ∘ tan83 ∘ = tan83 ∘ tan67 ∘ tan60 ∘ tan67 ∘ tan83 ∘ =tan60 ∘ = 3 Solve any question of Introduction to Trigonometry with:-

Shreya Khamithkar 3 years, 1 month ago

Tan(90-theta)=cot theta Change tan 83, tan(90-83)=cot 7 Then also change tan 23, tan(90-23)=cot 67, We know tan 60=√3, Put the values Tan7.cot67.tan60.tan67.cot7 =√3 We know tan theta x cot theta =1 Tan7.cot7.tan67.cot67.√3=√3 1.1.√3=√3 √3=√3 LHS=RHS *(.) Symbolises mulplication here I hope you understood my answer Thank u

ANSWER

The discriminate of the quadratic equation 7x^2-5+11=0 is

Posted by Education Shree Mathi 3 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Vivek Prajapati 3 years, 1 month ago

Q 2 ans is parallel

Misha Middha 3 years, 1 month ago

D=285

Education Shree Mathi 3 years, 1 month ago

The gemotrical represtation of the pair of linear equations 6x-3y=-10 and 2x-y+9=0 represent lines

ANSWER

If the ratio of the sum of first n terms of two A.P.'s is (7n+1): (4n+27), find the ratio of their mth terms.

Posted by Prince Yadav 3 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

360 oranges are distributed equally among a certain number of boys. Had there been 3 boys less, each would have gotten 4oranges more. Find the number of boys

Posted by Aalim Aalim 3 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Radhika Agarwal 3 years, 1 month ago

18 students

ANSWER

Any Single girls here 😁

Posted by Md Samser 3 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Masuma Syeda 3 years, 1 month ago

😑

Monika Monika 3 years, 1 month ago

🙄

ANSWER

Ch 7 ex 7.2 ka q 2 class 10

Posted by Harshit Rajput 3 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Prachi Chhikara 3 years, 1 month ago

find it with section formula

ANSWER

Ncjcjfj

Posted by Dev Raj 3 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Dev Raj 3 years, 1 month ago

Sdfff

ANSWER

If the quadratic equation x2 + 4x + k = 0 has real and equal roots, then

Posted by Rani Yadav 3 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Faisal Khan 3 years, 1 month ago

Solution verified Verified by Toppr x 2 −4x+k=0 is of the form ax 2 +bx+c=0 where a=1b=−4c=k Roots are equal⇒ Discriminant=0 ⇒b 2 −4ac=0 ⇒(−4) 2 −4×1×k=0 ⇒16−4k=0 ⇒−4k=−16 ∴k= 4 16 =4 Solve any question of Quadratic Equations with:-

Divya Sahu 3 years, 1 month ago

a=1,b=4,c=k d=b^2-4ac 0=4^2-4×1×k 0=16-4k -4k=-16 k=16/4=4

ANSWER

Kya ch 14 maths me step derivation method deleted ha????

Posted by Prabhroop Kaur 3 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Iron Man 3 years, 1 month ago

Yes

K.Haniskha💖💖🥰 Kandi☺️ 3 years, 1 month ago

Nai

Parveen Virk 3 years, 1 month ago

Nai

ANSWER

Priyanshu is three time as old as his brother . Five year later he will be only 2-2/1times older than his brother .How old are they now?

Posted by Lucky Kumar 3 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Find value of k, (k+1)X2+2(k-1)x+(k-2)

Posted by Khushi Garg 3 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Faisal Khan 3 years, 1 month ago

The given equation is (k+1)x 2 −2(k−1)x+1=0 comparing it with ax 2 +bx+c=0 we get a=(k+1),b=−2(k−1) and c=1 ∴ Discriminant, D=b 2 −4ac=4(k−1) 2 −4(k+1)×1 =4(k 2 −2k+1)−4k−4 ⇒4k 2 −8k+4−4k−4=4k 2 −12k Since roots are real and equal, so D=0⇒4k 2 −12k=0⇒4k(k−3)=0 ⇒ either k=0 or k−3=0⇒4k(k−3)=0 Hence, k=0,3.

Vivek Prajapati 3 years, 1 month ago

k=2

ANSWER

In the adjoining figure de parallel bc and all measurements are in centimetres find the length of ae

Posted by Vikas Kumar 3 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

How to calculate ui and di

Posted by Prabhroop Kaur 3 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

A shadow of tower when the angle of elevation of the sun is 45 degree, is found to be 10m.longer than when it was 60 degree.find the height of the tower

Posted by Manvi Kansal 3 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Vivek Prajapati 3 years, 1 month ago

h=23.66m

Aashish Mandal 3 years, 1 month ago

Agar Google se hi puchna hota tho ye app download hi q krta

Badal Santa 3 years, 1 month ago

Bro/sis this que is in example plz search in Google

ANSWER

All circles are similar or congruent

Posted by Alish Saifi 3 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Iron Man 3 years, 1 month ago

Circles are similar

Badal Santa 3 years, 1 month ago

Similar

Manvi Kansal 3 years, 1 month ago

All circle both similar and congruent is @alish saifi

ANSWER

ABCD is a trapezium in which AB parallel to DC and it's diagonals intersect each other at O. Using BPT. Prove that AO/BO = CO/DO

Posted by Selena Evangiline 3 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Badal Santa 3 years, 1 month ago

This app is not answering your question plz delete this app now

ANSWER

If asinA+bcosA=c then prove that acosA-bsinA=a²+b²+c²

Posted by Ritik Phor 3 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Ritik Phor 3 years, 1 month ago

If asinA+bcosA=c then prove that acosA-bsinA=a²+b²+c²

ANSWER

Which subject book have you Gaurav baswal

Posted by Vivek Prajapati 3 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Badal Santa 3 years, 1 month ago

Who

ANSWER

Anyone have oswaal book 2022 2023

Posted by Vivek Prajapati 3 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Vivek Prajapati 3 years, 1 month ago

Which subject

Gaurav Baswal 3 years, 1 month ago

Yes

ANSWER

What is a prim number?

Posted by Manvendra Singh 3 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Khushi Patil 3 years, 1 month ago

Any number whose factor 1 and the number itself

ANSWER

A plus b ka hole squire

Posted by Pushpawati Verma 3 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Vivek Prajapati 3 years, 1 month ago

(a-b)"2 +4ab

Ayush Vishwakarma 3 years, 1 month ago

(a+b)^2 = a^2+b^2+2ab

ANSWER

Two pillars of height 70m and 20m

Posted by Varun Rohan 3 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Triangles chapter theorems

Posted by Prajwal K 3 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Prajwal K 3 years ago

Maje samaj nahi aa raha hai

Prabhroop Kaur 3 years, 1 month ago

Book me ha dekhlo ..

ANSWER

The diameter of a wheel is 1.54m how far will it travel in 200 revolutions

Posted by Pashwaraj Chauhan 3 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

A man standing on the deck of a ship at point A and let CD be the hill. It is given that the angle of elevation of the top D of the hill CD observed from A is 60.Then ,EAD = 60. BCA 30 Also AB 10 m

Posted by Tanishka Rana 3 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Pandit Raj Tiwari 3 years, 1 month ago

Give me solution in sample paper

ANSWER

An observer 1.2 m tall is 28.2 m away from the tower the angle of elivation of top of the tower from his eye is 60 degree what is height of tower

Posted by Nikil Jadeja 3 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

2x²+x-6=0

Posted by Tanushka Kadam 3 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Vivek Prajapati 3 years, 1 month ago

First method: 2x²+x-6=0 2x²+4x-3x-6=0 2x(x+2)-3(x+2)=0 (2x-3)(x+2)=0 X=3/2 & x=-2

Chinki 🦋👈🏻 3 years, 1 month ago

First method: 2x²+x-6=0 2x²+4x-3x-6=0 2x(x+2)-3(x+2)=0 (2x-3)(x+2)=0 X=3/2 & x=-2

ANSWER

Proove that root 9 is a irrational

Posted by Ajay Upadhayay 3 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Rahúl Gíri 3 years, 1 month ago

Thanks

Abc Def 3 years, 1 month ago

Let 9 be a rational no.

Ajay Upadhayay 3 years, 1 month ago

Yes

ANSWER

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