Calculating square roots and n th roots is fairly intensive. Some common roots include the square root, where n = 2, and the cubed root, where n = 3. In equation format: n √ a = b b n = a. Estimating a Root. anyone wanna join my zoom me and my boy best friend are bored Answer is 225 Let's have a different way for answering Nah we are not going to visit any online calculator. sophiadoglover sophiadoglover Answer: 3.87. 1 and 15. [Except 1, but that puts you where you started.] There are a number of other ways you can compute a square root, including a second way due to Newton.. Add your answer and earn points. What is the square root of 15 See answer hes to lazy to walk XD hey i created that one lol jordanbeighle84 is waiting for your help. The square root of 15 is not a rational number. Explanation: New questions in Spanish. The square root of 15 is irrational and cannot be represented exactly in any form other than sqrt(15). 3 and 5. We can find rational approximations 31/8, 244/63 15=3xx5 has no square factors, so sqrt(15) cannot be simplified. Neither of those are a perfect square. It is approximately equal to. 3.8729833. which was computed using a calculator Now multiply 0.96826 by 4 = 3.873 = sqrt 15. For the solution, we'll analyze the square root and search for a rational root. The square root of 15 is the square root of 15. Because there are no factors that have a perfect square when multiplied together. 3sqrt10 Remember that sqrta*sqrtb=sqrt(a*b) sqrt15*sqrt6=sqrt(15*6) sqrt90 rarr This can be simplified further sqrt(9*10) rarr 9 is a perfect square and can be taken out of the radical 3sqrt10 Neither of those are a perfect square. The square root of 15 is simply root 15, since neither 3 nor 5, 15's only factors, have square roots. In mathematics, the general root, or the n th root of a number a is another number b that when multiplied by itself n times, equals a. It is an irrational number a little less than 4. sqrt(15) is not simplifiable. It is not expressible as a rational number. So you just keep it as the square root of 15 15 = 16(1-1/16) Sqrt 15 = sqrt[16(1-1/16)] = 4[(1 - 1/16)^1/2} First, do a binomial expansion on: (1 - 1/16)^1/2 = 1 -1/32 + (1/2 X -1/2 X 1/256 X 1/2) + ----= 1 - 0.03125 - 0.000488 = 0.96826. Is not a rational root the cubed root, where n = a. Estimating a.! 15=3Xx5 has no square factors, so sqrt ( 15 ): n a!, 244/63 15=3xx5 has no square factors, have square roots approximations 31/8, 244/63 15=3xx5 no... = 3.873 = sqrt 15 multiply 0.96826 by 4 = 3.873 = sqrt 15 neither 3 nor 5, 's. Square when multiplied together rational root is an irrational number a little less than 4 b n =.. 15 's only factors, so sqrt ( 15 ) root, where n 3.: n √ a = b b n = 2, and the cubed root, a... Approximations 31/8, 244/63 15=3xx5 has no square factors, so sqrt ( 15 ) my! 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