No products in the cart.

Ask questions which are clear, concise and easy to understand.

Ask Question
  • 0 answers
  • 0 answers
  • 0 answers
  • 0 answers
  • 0 answers
M
  • 0 answers
  • 0 answers
  • 0 answers
  • 0 answers
x-y
  • 0 answers
  • 0 answers
  • 0 answers
All
  • 0 answers
  • 1 answers

Ramesh Kumar 7 years, 3 months ago

160
  • 0 answers
  • 0 answers
  • 0 answers
  • 0 answers
  • 1 answers

Naveen Sharma 7 years, 3 months ago

{tex}\sqrt {x+15}+\sqrt x = 15 {/tex}

{tex}=> \sqrt {x+15} = 15- \sqrt x {/tex}

squaring both sides, we get 

{tex}=> x+15 = 225 + x + 30\sqrt x{/tex}

{tex}=> 30\sqrt x = 210{/tex}

{tex}=> \sqrt x = 7{/tex}

squaring both sides, we get

{tex}=> x = 49 {/tex}

  • 0 answers
  • 0 answers
  • 2 answers

Khan Israil 7 years, 4 months ago

Because only sine and cosine will positive on 2nd quadrant

Anshul Gupta 7 years, 4 months ago

Because all are positive in 2nd quadrant

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Download myCBSEguide App