`(2-1/3)(2-3/5)(2-5/7)……..(2-997/999)` का सरलीकृत गुणनफल किसके बराबर होगा?

(2-(1)/(3))(2-(3)/(5))(2-(5)/(7))....(2-(997)/(999)) is equal to

When simplified,the product (2-(1)/(3))(2-(3)/(5))(2-(5)/(7))(2-(997)/(999)) is equal to (5)/(999) (b) (1001)/(999) (c) (1)/(1001) (d) (1001)/(3)

If x≠ − 1 , 2 and 5, then the simplified value of {(2(x^3 -8))/(x^2-x -2) xx (x^2+ 2x +1)/(x^2 -4x-5) ÷ (x^2 +2x+4)/(3x-15)} is equal to: यदि x≠ − 1 , 2 और 5 है तो {(2(x^3 -8))/(x^2-x -2) xx (x^2+ 2x +1)/(x^2 -4x-5) ÷ (x^2 +2x+4)/(3x-15)} का सरलीकृत मान बराबर हैः

If x ne -1,2 and 5, then the simplified value of {(2(x^3-8))/(x^2-x-2)xx (x^2+2x+1)/(x^2-4x-5)} div (x^2+2x+4)/(3x-15) is equal to : यदि x ne -1,2 और 5 है, तो {(2(x^3-8))/(x^2-x-2)xx (x^2+2x+1)/(x^2-4x-5)} div (x^2+2x+4)/(3x-15) का सरलीकृत मान क्या होगा ?

5 1/5-[3 1/2-{5/6-(3/5+1/10-4/15)}] is equal to :- 5 1/5-[3 1/2-{5/6-(3/5+1/10-4/15)}] का मान किसके बराबर है ?