Math, asked by ᴠɪʀᴀᴛ, 19 days ago

एका आयताकृती जागेची लांबी 5x+1 व 2x+1 रूंदी आहे. तर त्याचे क्षेत्रफळ किती?

1)10x2 + 5x + 1
2) 10x2-2x+1
3) 10x²-7x+1
4) 10x²+7x+1

Answers

Answered by meeratai5279

1

Answer:

पर्याय क्र 4

Step-by-step explanation:

आयताचे क्षेत्रफळ = लांबी X रुंदी

= (5x + 1) (2x + 1)

= 5x(2x + 1) + 1(2x + 1)

= 10x² + 5x + 2x + 1

= 10x² + 7x + 1

Answered by MathTeacher029

1

the answer is : 10x2 + 5x + 1

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