Math, asked by katta1prafful, 3 months ago

SOLVE QUDRATIC EQUATION 2 $x^{2}$ +13x+15=0

Answers

Answered by yashikaindoriya

1

Substitution y=tan2x then we have. 2y2−y−15=0 2y2−6y+5y−15=0 2y(y−3)+5(y−3)=0 (2y+5)(y−3)=0 y=tan2x=−52;3. Proceed for solving ...

Missing: 13x+ ‎| Must include: 13x+

Previous Question

Next Question

Similar questions

Science, 2 months ago

ਪੁੰਜ ਅਤੇ ਵੇਗ ਦੇ ਉਤਪਾਦਨ ਦੁਆਰਾਂ ਸਾਨੂੰ ਕੀ ਪ੍ਰਾਪਤ ਹੁੰਦਾ ਹੈ class 9...

English, 2 months ago

Construct a imaginary interview between reporter and Virat Kohli...

Math, 2 months ago

A recipe for Pink Party Punch calls for cups of raspberry juice, cups of ginger ale, and cups of raspberry sherbet. How many cups of punch will the recipe make?

Physics, 3 months ago

A standing wave is represented by y=4cos(2π×150)sin(100πt), where y is the displacement of the particle. A node will occur at: a)12.5 cm b)25cm c)50cm d)none of these Please give me correct answer with Full explanation.

English, 3 months ago

Who clicked the photograph in the poem 'A Photograph'? her mother ,her uncle,her father...

Math, 11 months ago

find the value of sec 50° sin 40° + cos 40° cosec 50° ...

English, 11 months ago

write a essay on the theme "AATMANIRBHATR BHARAT SWATANTRA BHARAT"...

Math, 11 months ago

Mathematics: a) Draw a graph of Lockdown period and percentage of positive cases. Answer the following questions: 1. Are rise in cases linear or exponential? 2. What is the average percentage of confirmed positive cases? b) Draw a Cumulative graph of total samples tested during the lockdown period c) Draw Cumulative graph of total Recovered cases during the lockdown period don't post useless...