If x=8+215 , then what is the value of x+1x ?

More Questions from Simplification

• What is the value of 1+aa1/2+a-1/2-a1/2+a-1/21+a+a-1/2 ?
• If p/q = (x+3)/(x-3), then what is the value of p2+q2p2-q2 ?
• What is the simplified value of (1– sin A cos A)(sin A + cos A)?
• What is the simplified value of 1-sin A1+sin A ?
• What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value.) 21.003 × 39.998 –209.91 = 126× ?
• What approximate value should come in place of the question mark (?) in the following equation (Note: You are not expected to calculate the exact value)? [(7.99)2–(13.001)2+(4.01)3]2=?
• In the given questions, two equations numbered I and II are given. Solve both the equation and mark the appropriate answer. I. x2–5x –24 = 0II. 2y2+ 19y + 35 = 0
• For what value of k, the expression x6– 18x3 + k will be a perfect square?
• If 5+x+5-x5+x-5-x = 3 ,then what is the value of x ?
• If x = 4aba+b , then what is the value of x+2ax-2a+x+2bx-2b ?

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