Math, asked by gulshan200238, 10 months ago

Write the rationalising factor of √5+2

Answers

Answered by krrishfootball45

2

Answer:

Rationalising factor of an irrational number is the one which when multiplied with the irrational number gives a rational number as the product

The rational number of √5-2 is √5+2

(√5-2) (√5+2)

(a+b)(a-b)=a²-b²

=√5²-2²

=5-4

=1

Plz give me all 5 stars

Previous Question

Next Question

Similar questions

Social Sciences, 5 months ago

प्र.15 क्या आप को लगता है कि यदि श्रीलंका में सिंहली की जगह तमिल को राजभाषा बनाया गया होता तो वहाँ जातीय तनाव नहीं होता? अपने उत्तर के समर्थन में तर्क दीजिए।...

English, 5 months ago

Which political figure became Baronness of Kesteven?

Social Sciences, 5 months ago

Moreover, the law legalises the use of rupee as a medium of payment that cannot be refused in settling transactions in India. Pls explain/give the meaning of this sentence. Class 10...

Hindi, 10 months ago

निम्नलिखित काव्यांशों का संदर्भ सहित अर्थ लिखिए- काव्यांश (क) श्वेत जलजा, शरद् सुषमा, शुभ्रवर शुभ शारदा।। सौम्य सुमुखी मधु सुनयना, सुकंठा स्वर, सर्वदा।। विजर विमला, विकसिते वर, वरद वीणाधारिणी। (ख) मंजु श्रीमुख, मधुरिमा मधु, मृदुलता, मधुलोचना। मुदित मंजुल ज्ञानधारा, मोहिनी शुभ शोभना।। नवल नवला नित्य नीयत, नीरजा नित निश्छला। नमो निर्भय कारिणी माँ, निमित्त नियति निर्मला।। (ग) वंदनीया वरद विमला विविध...

Math, 10 months ago

By basic proportionality theorem In triangle XYZ if seg PQll seg XY then...

Math, 1 year ago

verify 8x + 3/ 2x - 3 = 4x/ x - 3...

English, 1 year ago

last week as you were coming back from school you happened to see a huge plastic bag full of left overs of foot . Being flung into the middle of the road from a speeding car. You are surprised how people can be so devoid of civic sense. Write an article on why we lack civic sense and how can be inculcated in children in very young age. You are Shiva/Shivani ...

Math, 1 year ago

if one of the zeros of the polynomial (k-1)x^2+ kn + 1 is -4 then find the value of k...