Question

Find the sum of 7x2 + 2y2 – 9z2 , --2x2 + 3y2 + 7z2 and – 4x2 – 4y2 + 3z2 when x=1, y=2, z=3.
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Answer 1

Answer:

itna bada sum maine board mai bhi nahi solve kiya

Step-by-step explanation:

sorry ab kya solve karungi