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☺ Whose face we all see in Parle G biscuits packet. Why parle company choose her face . Why parle conpany not change her face from 60 years .

☺ Why TM is written in all the goods . What is the use of this .

☺ why factory persons colour woods yellow before covering any pencils .

☺ what is the correct difference between equation and identity and how to identify it . why sometimes equation look as identity . But we can not identify it .

Answer 1

((( 1 ))) She is Neeru Deshpandey from Nagpur, if you believe a post on Quora where a user has raised a question on the identity of the evergreen Parle-G kid.The anonymous post adds that the picture was clicked when she was 4 years 3 months old. Then there's another source, Parle-G's Wikipedia page that comes up with the name 'Gunjan Gundaniya'.Finally, Mayank Shah, group product manager at Parle Products, puts all the folklore to rest and reveals: It's actually an illustration by an Everest creative back in the 60s.People have created their own stories about the kid being a girl and assigned names of their own accord and others just caught onto them, a lethal combination of rumour and grapevine.

((( 2 ))) The symbol TM is used to provide notice of a claim of common-law rights in a trademark. A TM usually is used in connection with an unregistered mark, to inform potential infringers that a term, slogan, logo or other indicator is being claimed as a trademark. Use of the TM symbol does not guarantee that the owner’s mark will be protected under trademark laws. The owner may continue to use TM should registration of the mark be refused.

((( 3 ))) After the pencils have been cut, their surfaces are smoothed by sanders, and varnish is applied and dried. This is done with varnishing machines, in which the pencils are immersed in a vat of varnish and then passed through a felt disk, which removes the excess varnish. After drying, the pencils are put through the process again and again until the desired yellow colour is achieved.

((( 4 ))) The equation is true conditionally. Whereas the identity is true always.The equation is true for particular values of the variable(or variables). But an identity is true for all values.An identity is an equation , in which the right side is derivable from left, and the left side is derivable from the right. Not so in case of an equation.

Examples: 3x+6=9 is an equation. It is condtionally true for x=1. It is not true for 2 or 3 or for any x other than 1.

(x+1)^2 = x^2+2x+1 is an identity and true for all values of x.

3x+y = 4 is an equation straight line representing a straight line is conditionally true for all the points on that graph. But go out of the graph and chose x=10 y= 10, the equation is not true.

x^3+8y^3 = (x^2-2xy+4x^2)(x+2y) is an identity and therefore true for all values of x and y.Proof: (a^+b^3 )/(a+b) = a^2-ab+b^2. Put a=x and b=2y, Then {(x^3+(2y)^3]/(x+2y) = x^2-x(2y)+(4y)^2. Therefore,
x^3+8y^3 = (x^2-2xy+4x^2)(x+2y).