If between two numbers which are root of given equation. x^2 – 18x + 16 = 0, a GM is inserted then the value of that GM is?(a) 4(b) 5(c) 6(d) 16I got this question in exam.My doubt stems from Arithmetic and Geometric Mean in chapter Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics

If between two numbers which are root of given equation. x^2 – 18x +

1.	If between two numbers which are root of given equation. x^2 – 18x + 16 = 0, a GM is inserted then the value of that GM is?(a) 4(b) 5(c) 6(d) 16I got this question in exam.My doubt stems from Arithmetic and Geometric Mean in chapter Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics
Answer» The CORRECT choice is (a) 4 To ELABORATE: x^2 – 2Ax + G^2 = 0, here G^2 = 16 and therefore G = 4.

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