#excellentideasineducation #class9 #maths #education #realnumbers #squareroot #math #surds #mathematics #class9maths Square root of surds / Evaluate: square root of 5-2root6 + root10 - 2root21 / √5-2√6+√10-2√21 / Real Numbers / Class 9 If a=√(6-√11) and b=√(6+√11) find the value of (a+b) / If a= root(6-root 11) and b= root(6+root 11) then the value of a+b / Real Numbers • If a=√(6-√11) and b=√(6+√11) find the valu... If a=6+2√5 Find the value of a-1/a / If a=6+2 root 5 Find the value of a-1/a / Class 9 Real Numbers • If a=6+2√5 Find the value of a-1/a / If a=... If x=7+4√3 find x^3+1/x^3 If x=7+4 root 3 find x^3+1/x^3 / Rationalizing the denominator • If x=7+4√3 find x^3-1/x^3 / If x=7+4 root ... Express 0.3178 bar in the form of p/q / How to express a rational number in p/q form • Express 0.3178 bar in the form of p/q / Ho... x=root6-root5 then x^2+1/x^2=? / Powers and Roots / Rationalization / Number System / Class 9 • x=root6-root5 then x^2+1/x^2=? / Surds / R... Difference between Rational & Irrational Numbers / 9th grade CBSE Number System / Number System • Difference between Rational & Irrational N... Product of Rational and Irrational Numbers / Find three rational numbers between 4 and 5 • Product of Rational and Irrational Numbers... Convert Rational Numbers in Decimal Form / 9th Grade Number System / Number System Class 9 • Convert Rational Numbers in Decimal Form /... Express the rational number 0.3 bar & 0.67 bar in the form of p/q / Maths Bar Solved Problems • Express the rational number 0.3 bar & 0.67... x=1/(3-√5),find √x+1/√x / 1/(3-root5),find the value of root x + 1/root x / Real Numbers Class 9 / How to rationalize the denominator / How to rationalize the denominator with a surd • If x=1/(3-√5) find the value of √x+1/√x / ...