The number of x1 + x₂ + x3 + x4 + X5 + X6 + X7 is equal to: non-negative integer solutions to the equation = 18 O The number of non-negative integer solutions to the equation x₁ + x₂ + x3 + x4 + x5 + x6 x7 = 20 with ₁ > 2. O The number of non-negative integer solutions to the equation x1 + x₂ + x3 + x4 + x5 + x6 x7 = 20 with ₁ ≤ 2. The number of non-negative integer solutions x₁ + x₂ + x3 + x4 + x5 + x6 +x7 = O None of these. to the equation 20 with ₁ > 2. O The number of non-negative integer solutions to the equation x₁ + x2 + x3 + x4 + X5 + x6 x7 = 20 with ₁ < 2. X4 X6 +

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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The number of non-negative integer solutions to the equation
x₁ + x2 + x3 + x4 + X5 + X6 + x7
= 18
is equal to:
The number of non-negative integer solutions
X₁ + x₂ + x3 + x4 +X5 + X6 + X7
=
=
to the equation
20 with ₁2.
The number of non-negative integer solutions
to the equation
x₁ + x2 + x3 + x4 + x5 + X6 + 7 = 20 with ₁ ≤ 2.
None of these.
The number of non-negative integer solutions
to the equation
x₁ + x2 + x3 + x4 + x5 + X6 + 7 = 20 with ₁ > 2.
The number of non-negative integer solutions
to the equation
x1 + x2 + x3 + x4 + x5 + X6 + X7 = 20 with ₁ < 2.
Transcribed Image Text:The number of non-negative integer solutions to the equation x₁ + x2 + x3 + x4 + X5 + X6 + x7 = 18 is equal to: The number of non-negative integer solutions X₁ + x₂ + x3 + x4 +X5 + X6 + X7 = = to the equation 20 with ₁2. The number of non-negative integer solutions to the equation x₁ + x2 + x3 + x4 + x5 + X6 + 7 = 20 with ₁ ≤ 2. None of these. The number of non-negative integer solutions to the equation x₁ + x2 + x3 + x4 + x5 + X6 + 7 = 20 with ₁ > 2. The number of non-negative integer solutions to the equation x1 + x2 + x3 + x4 + x5 + X6 + X7 = 20 with ₁ < 2.
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