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Grade 11Algebra

Plz tell me how to solve these types of questions?? Q:1 The number of whole number solutions of the equation x+y+z+r=17 ? Ans: a: 1140 b: 570 c: 21C4 d: none of these Q:2 The number of natural number solutions of the equation 2x+y+3z=15 ? Ans : a: 11 b: 12 c: 16C3 d: none of these

Profile image of Moni RS
17 Years agoGrade 11
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1 Answer

Profile image of dhwani kapoor
17 Years ago

Hi Moni

we can solve such type of questions using multinomials

the answer to the first one is 1140

.

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