Question
If x + y + z = 9 and (x2Â + y2Â +
z2) = 21, then find the value of (xy + yz + zx)Solution
(x + y + z)2 = x2 + y2 + z2 + 2 × (xy + yz + xz) Or, 92 = 21 + 2 × (xy + yz + xz) Or, 2 × (xy + yz + xz) = 81 – 21 Or, (xy + yz + xz) = 60 ÷ 2 = 30
When Guliyan Chocolates runs a magazine ad with the headline "Spend this birthday with your family" it has created _____ advertising.
When a manufacturer directs its promotional mix at ultimate consumers to encourage them to ask retailers for the product, the strategy is called a:
The type of need which a person is shy to admit is known as ___________.
The notion of whether the research measured what was intended to be measured is referred to as:
Value-pricing is:
The pair of blue jeans bought by you from a retail store came to you via a(n) ____, which consists of several organizations involved in the process of m...
The convergence of real and digital worlds is the result of
While in the market for a new smartphone, you start reviewing the technical specifications provided on the Redmi's website. You then shift over to Samsu...
Many banks now offering their customers insurance offerings would be example of:
Most advertising messages are made up of two types of elements. They are:
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