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Question
विस्तार करां.
(2p + q + 5)2
Sum
Solution
आपणास माहित आहे कि,
\[\left( a + b + c \right)^2 = a^2 + b^2 + c^2 + 2ab + 2bc + 2ca\]
\[\ \left( 2p + q + 5 \right)^2 \]
\[ = \left( 2p \right)^2 + \left( q \right)^2 + \left( 5 \right)^2 + 2 \times 2p \times q + 2 \times q \times 5 + 2 \times 5 \times 2p\]
\[ = 4 p^2 + q^2 + 25 + 4pq + 10q + 20p\]
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